158117012612 has 12 divisors (see below), whose sum is σ = 297989754636. Its totient is φ = 72977082720.

The previous prime is 158117012503. The next prime is 158117012657. The reversal of 158117012612 is 216210711851.

It can be written as a sum of positive squares in 2 ways, for example, as 84462309376 + 73654703236 = 290624^2 + 271394^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520355839 + ... + 1520355942.

It is an arithmetic number, because the mean of its divisors is an integer number (24832479553).

Almost surely, 2^158117012612 is an apocalyptic number.

It is an amenable number.

158117012612 is a deficient number, since it is larger than the sum of its proper divisors (139872742024).

158117012612 is a wasteful number, since it uses less digits than its factorization.

158117012612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040711798 (or 3040711796 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 35.

The spelling of 158117012612 in words is "one hundred fifty-eight billion, one hundred seventeen million, twelve thousand, six hundred twelve".