121012521344188 has 12 divisors (see below), whose sum is σ = 212371832786400. Its totient is φ = 60334854833792.

The previous prime is 121012521344173. The next prime is 121012521344191. The reversal of 121012521344188 is 881443125210121.

It is a super-3 number, since 3×121012521344188³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 42851457988 + ... + 42851460811.

It is an arithmetic number, because the mean of its divisors is an integer number (17697652732200).

Almost surely, 2^{121012521344188} is an apocalyptic number.

It is an amenable number.

121012521344188 is a deficient number, since it is larger than the sum of its proper divisors (91359311442212).

121012521344188 is a wasteful number, since it uses less digits than its factorization.

121012521344188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85702919156 (or 85702919154 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 121012521344188 in words is "one hundred twenty-one trillion, twelve billion, five hundred twenty-one million, three hundred forty-four thousand, one hundred eighty-eight".