102044157678412 has 6 divisors (see below), whose sum is σ = 178577275937228. Its totient is φ = 51022078839204.

The previous prime is 102044157678409. The next prime is 102044157678413. The reversal of 102044157678412 is 214876751440201.

It is a super-2 number, since 2×102044157678412² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102044157678412.

It is not an unprimeable number, because it can be changed into a prime (102044157678413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12755519709798 + ... + 12755519709805.

Almost surely, 2^{102044157678412} is an apocalyptic number.

It is an amenable number.

102044157678412 is a deficient number, since it is larger than the sum of its proper divisors (76533118258816).

102044157678412 is a wasteful number, since it uses less digits than its factorization.

102044157678412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25511039419607 (or 25511039419605 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 102044157678412 in words is "one hundred two trillion, forty-four billion, one hundred fifty-seven million, six hundred seventy-eight thousand, four hundred twelve".