121713116164570 has 16 divisors (see below), whose sum is σ = 250381267538688. Its totient is φ = 41730211256400.

The previous prime is 121713116164567. The next prime is 121713116164637. The reversal of 121713116164570 is 75461611317121.

It is a happy number.

It is a super-2 number, since 2×121713116164570² (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 121713116164570.

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, 869379401106 + ... + 869379401245.

It is an arithmetic number, because the mean of its divisors is an integer number (15648829221168).

Almost surely, 2^{121713116164570} is an apocalyptic number.

121713116164570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121713116164570 is an abundant number, since it is smaller than the sum of its proper divisors (128668151374118).

121713116164570 is a wasteful number, since it uses less digits than its factorization.

121713116164570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738758802365.

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 121713116164570 in words is "one hundred twenty-one trillion, seven hundred thirteen billion, one hundred sixteen million, one hundred sixty-four thousand, five hundred seventy".