121452152415 has 32 divisors (see below), whose sum is σ = 213970450176. Its totient is φ = 58335548160.

The previous prime is 121452152407. The next prime is 121452152449. The reversal of 121452152415 is 514251254121.

It is not a de Polignac number, because 121452152415 - 2³ = 121452152407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3421942 + ... + 3457251.

It is an arithmetic number, because the mean of its divisors is an integer number (6686576568).

Almost surely, 2^121452152415 is an apocalyptic number.

121452152415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121452152415 is a deficient number, since it is larger than the sum of its proper divisors (92518297761).

121452152415 is a wasteful number, since it uses less digits than its factorization.

121452152415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6879319.

The product of its digits is 16000, while the sum is 33.

The spelling of 121452152415 in words is "one hundred twenty-one billion, four hundred fifty-two million, one hundred fifty-two thousand, four hundred fifteen".