102070712728 has 16 divisors (see below), whose sum is σ = 191565045000. Its totient is φ = 50986700736.

The previous prime is 102070712719. The next prime is 102070712743. The reversal of 102070712728 is 827217070201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6073038 + ... + 6089821.

Almost surely, 2^102070712728 is an apocalyptic number.

It is an amenable number.

102070712728 is a deficient number, since it is larger than the sum of its proper divisors (89494332272).

102070712728 is a wasteful number, since it uses less digits than its factorization.

102070712728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12163914 (or 12163910 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 37.

Adding to 102070712728 its reverse (827217070201), we get a palindrome (929287782929).

The spelling of 102070712728 in words is "one hundred two billion, seventy million, seven hundred twelve thousand, seven hundred twenty-eight".