101812669728 has 96 divisors (see below), whose sum is σ = 333205125120. Its totient is φ = 26444847360.

The previous prime is 101812669723. The next prime is 101812669769. The reversal of 101812669728 is 827966218101.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (101812669723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6879288 + ... + 6894071.

It is an arithmetic number, because the mean of its divisors is an integer number (3470886720).

Almost surely, 2^101812669728 is an apocalyptic number.

It is an amenable number.

101812669728 is an abundant number, since it is smaller than the sum of its proper divisors (231392455392).

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

101812669728 is a wasteful number, since it uses less digits than its factorization.

101812669728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13773390 (or 13773382 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 101812669728 in words is "one hundred one billion, eight hundred twelve million, six hundred sixty-nine thousand, seven hundred twenty-eight".