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12012002022 = 232002000337
BaseRepresentation
bin10110010111111100…
…01001101011100110
31011000010200221000210
423023332021223212
5144100033031042
65303534520250
7603445222026
oct131376115346
934003627023
1012012002022
1151045099a9
1223b2966086
1311957a7707
1481d463a86
154a4841a9c
hex2cbf89ae6

12012002022 has 8 divisors (see below), whose sum is σ = 24024004056. Its totient is φ = 4004000672.

The previous prime is 12012002021. The next prime is 12012002063. The reversal of 12012002022 is 22020021021.

It is a sphenic number, since it is the product of 3 distinct primes.

12012002022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12012001989 and 12012002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012002021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001000163 + ... + 1001000174.

It is an arithmetic number, because the mean of its divisors is an integer number (3003000507).

Almost surely, 212012002022 is an apocalyptic number.

12012002022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12012002022 is a wasteful number, since it uses less digits than its factorization.

12012002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002000342.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12012002022 its reverse (22020021021), we get a palindrome (34032023043).

The spelling of 12012002022 in words is "twelve billion, twelve million, two thousand, twenty-two".

Divisors: 1 2 3 6 2002000337 4004000674 6006001011 12012002022