121065052015020 has 48 divisors (see below), whose sum is σ = 338983223604480. Its totient is φ = 32283911207616.

The previous prime is 121065052015001. The next prime is 121065052015079. The reversal of 121065052015020 is 20510250560121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16853761 + ... + 22938599.

It is an arithmetic number, because the mean of its divisors is an integer number (7062150491760).

Almost surely, 2^{121065052015020} is an apocalyptic number.

121065052015020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121065052015020 is an abundant number, since it is smaller than the sum of its proper divisors (217918171589460).

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

121065052015020 is a wasteful number, since it uses less digits than its factorization.

121065052015020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416454 (or 6416452 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 121065052015020 in words is "one hundred twenty-one trillion, sixty-five billion, fifty-two million, fifteen thousand, twenty".