121345355510352 has 60 divisors (see below), whose sum is σ = 339631722428544. Its totient is φ = 40444490084160.

The previous prime is 121345355510339. The next prime is 121345355510377. The reversal of 121345355510352 is 253015553543121.

121345355510352 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 4 + 53 + 55 + 510 + 35 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 121345355510298 and 121345355510307.

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, 39792768 + ... + 42733535.

Almost surely, 2^{121345355510352} is an apocalyptic number.

121345355510352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121345355510352 is an abundant number, since it is smaller than the sum of its proper divisors (218286366918192).

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

121345355510352 is a wasteful number, since it uses less digits than its factorization.

121345355510352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82536528 (or 82536519 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 121345355510352 in words is "one hundred twenty-one trillion, three hundred forty-five billion, three hundred fifty-five million, five hundred ten thousand, three hundred fifty-two".