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1202201220212 = 221759299651351
BaseRepresentation
bin10001011111101000110…
…001101101010001110100
311020221002110200200102222
4101133220301231101310
5124144102003021322
62320141132221512
7152566444523456
oct21375061552164
94227073620388
101202201220212
1142393a27a453
12174bb290a898
13894a0655885
1442288a022d6
1521413098e42
hex117e8c6d474

1202201220212 has 24 divisors (see below), whose sum is σ = 2265364221120. Its totient is φ = 556152905600.

The previous prime is 1202201220211. The next prime is 1202201220217. The reversal of 1202201220212 is 2120221022021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202201220211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149821664 + ... + 149829687.

It is an arithmetic number, because the mean of its divisors is an integer number (94390175880).

Almost surely, 21202201220212 is an apocalyptic number.

It is an amenable number.

1202201220212 is a deficient number, since it is larger than the sum of its proper divisors (1063163000908).

1202201220212 is a wasteful number, since it uses less digits than its factorization.

1202201220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299651431 (or 299651429 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1202201220212 its reverse (2120221022021), we get a palindrome (3322422242233).

The spelling of 1202201220212 in words is "one trillion, two hundred two billion, two hundred one million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 17 34 59 68 118 236 1003 2006 4012 299651351 599302702 1198605404 5094072967 10188145934 17679429709 20376291868 35358859418 70717718836 300550305053 601100610106 1202201220212