121421054303352 has 48 divisors (see below), whose sum is σ = 328969901463840. Its totient is φ = 40458766278528.

The previous prime is 121421054303321. The next prime is 121421054303387. The reversal of 121421054303352 is 253303450124121.

121421054303352 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 210 + 5 + 430 + 3 + 3 + 5 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310605168 + ... + 310995839.

It is an arithmetic number, because the mean of its divisors is an integer number (6853539613830).

Almost surely, 2^{121421054303352} is an apocalyptic number.

121421054303352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121421054303352 is an abundant number, since it is smaller than the sum of its proper divisors (207548847160488).

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

121421054303352 is a wasteful number, since it uses less digits than its factorization.

121421054303352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621603732 (or 621603725 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 121421054303352 in words is "one hundred twenty-one trillion, four hundred twenty-one billion, fifty-four million, three hundred three thousand, three hundred fifty-two".