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12012222011202 = 233788136070789
BaseRepresentation
bin1010111011001101000000…
…1110011101011101000010
31120112100122101221121021000
42232303100032131131002
53033302012313324302
641314201050112430
72346566026260150
oct256632016353502
946470571847230
1012012222011202
11391139a192806
121420070a1b716
1369199484738a
142d7574cac3d0
1515c6eade731c
hexaecd039d742

12012222011202 has 64 divisors (see below), whose sum is σ = 30541859308800. Its totient is φ = 3428167691520.

The previous prime is 12012222011201. The next prime is 12012222011213. The reversal of 12012222011202 is 20211022221021.

It is a happy number.

12012222011202 is a `hidden beast` number, since 120 + 1 + 222 + 201 + 120 + 2 = 666.

12012222011202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12012222011201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17702377 + ... + 18368412.

It is an arithmetic number, because the mean of its divisors is an integer number (477216551700).

Almost surely, 212012222011202 is an apocalyptic number.

12012222011202 is an abundant number, since it is smaller than the sum of its proper divisors (18529637297598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012222011202 is a wasteful number, since it uses less digits than its factorization.

12012222011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36071688 (or 36071682 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12012222011202 its reverse (20211022221021), we get a palindrome (32223244232223).

The spelling of 12012222011202 in words is "twelve trillion, twelve billion, two hundred twenty-two million, eleven thousand, two hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 881 1762 2643 5286 6167 7929 12334 15858 18501 23787 37002 47574 55503 111006 166509 333018 36070789 72141578 108212367 216424734 252495523 324637101 504991046 649274202 757486569 973911303 1514973138 1947822606 2272459707 4544919414 6817379121 13634758242 31778365109 63556730218 95335095327 190670190654 222448555763 286005285981 444897111526 572010571962 667345667289 858015857943 1334691334578 1716031715886 2002037001867 4004074003734 6006111005601 12012222011202