205212242212502 has 32 divisors (see below), whose sum is σ = 352675054771200. Its totient is φ = 87727495160448.

The previous prime is 205212242212493. The next prime is 205212242212517.

It is a happy number.

205212242212502 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×205212242212502² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46023203 + ... + 50284785.

It is an arithmetic number, because the mean of its divisors is an integer number (11021095461600).

Almost surely, 2^{205212242212502} is an apocalyptic number.

205212242212502 is a deficient number, since it is larger than the sum of its proper divisors (147462812558698).

205212242212502 is a wasteful number, since it uses less digits than its factorization.

205212242212502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270220.

The product of its (nonzero) digits is 25600, while the sum is 32.

The spelling of 205212242212502 in words is "two hundred five trillion, two hundred twelve billion, two hundred forty-two million, two hundred twelve thousand, five hundred two".