121352253143112 has 48 divisors (see below), whose sum is σ = 329034563479440. Its totient is φ = 40404940436448.

The previous prime is 121352253143101. The next prime is 121352253143113. The reversal of 121352253143112 is 211341352253121.

121352253143112 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 5 + 2 + 2 + 531 + 4 + 3 + 112 = 666.

121352253143112 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (121352253143113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954323718 + ... + 954450869.

It is an arithmetic number, because the mean of its divisors is an integer number (6854886739155).

Almost surely, 2^{121352253143112} is an apocalyptic number.

121352253143112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121352253143112 is an abundant number, since it is smaller than the sum of its proper divisors (207682310336328).

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

121352253143112 is a wasteful number, since it uses less digits than its factorization.

121352253143112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908775482 (or 1908775475 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The spelling of 121352253143112 in words is "one hundred twenty-one trillion, three hundred fifty-two billion, two hundred fifty-three million, one hundred forty-three thousand, one hundred twelve".