450852512121 has 24 divisors (see below), whose sum is σ = 734931999360. Its totient is φ = 263821740000.

The previous prime is 450852512093. The next prime is 450852512161. The reversal of 450852512121 is 121215258054.

450852512121 is a `hidden beast` number, since 4 + 5 + 0 + 8 + 525 + 1 + 2 + 121 = 666.

It is not a de Polignac number, because 450852512121 - 2³⁴ = 433672642937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450852512161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78515505 + ... + 78521246.

It is an arithmetic number, because the mean of its divisors is an integer number (30622166640).

Almost surely, 2^450852512121 is an apocalyptic number.

It is an amenable number.

450852512121 is a deficient number, since it is larger than the sum of its proper divisors (284079487239).

450852512121 is a wasteful number, since it uses less digits than its factorization.

450852512121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157036797 (or 157036794 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The spelling of 450852512121 in words is "four hundred fifty billion, eight hundred fifty-two million, five hundred twelve thousand, one hundred twenty-one".