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12000022042 = 240182918049
BaseRepresentation
bin10110010110100000…
…11100111000011010
31010222022011021120211
423023100130320122
5144034001201132
65302430041334
7603241335001
oct131320347032
933868137524
1012000022042
1150a8777198
1223aa94924a
131193171878
1481ba25c38
154a3777147
hex2cb41ce1a

12000022042 has 16 divisors (see below), whose sum is σ = 18067689000. Its totient is φ = 5977497600.

The previous prime is 12000022031. The next prime is 12000022051. The reversal of 12000022042 is 24022000021.

It can be written as a sum of positive squares in 4 ways, for example, as 11556035001 + 443987041 = 107499^2 + 21071^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655834 + ... + 673882.

Almost surely, 212000022042 is an apocalyptic number.

12000022042 is a deficient number, since it is larger than the sum of its proper divisors (6067666958).

12000022042 is a wasteful number, since it uses less digits than its factorization.

12000022042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19281.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 12000022042 its reverse (24022000021), we get a palindrome (36022022063).

The spelling of 12000022042 in words is "twelve billion, twenty-two thousand, forty-two".

Divisors: 1 2 401 802 829 1658 18049 36098 332429 664858 7237649 14475298 14962621 29925242 6000011021 12000022042