121353231452346 has 24 divisors (see below), whose sum is σ = 262952031854304. Its totient is φ = 40447995554760.

The previous prime is 121353231452291. The next prime is 121353231452363. The reversal of 121353231452346 is 643254132353121.

121353231452346 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 53 + 2 + 31 + 4 + 523 + 46 = 666.

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, 256556820 + ... + 257029391.

It is an arithmetic number, because the mean of its divisors is an integer number (10956334660596).

Almost surely, 2^{121353231452346} is an apocalyptic number.

121353231452346 is an abundant number, since it is smaller than the sum of its proper divisors (141598800401958).

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

121353231452346 is a wasteful number, since it uses less digits than its factorization.

121353231452346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513599346 (or 513599343 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 121353231452346 in words is "one hundred twenty-one trillion, three hundred fifty-three billion, two hundred thirty-one million, four hundred fifty-two thousand, three hundred forty-six".