213023212123122 has 48 divisors (see below), whose sum is σ = 461646606545280. Its totient is φ = 70992921113856.

The previous prime is 213023212123067. The next prime is 213023212123159. The reversal of 213023212123122 is 221321212320312.

213023212123122 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 2 + 321 + 21 + 2 + 312 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3153109579 + ... + 3153177137.

It is an arithmetic number, because the mean of its divisors is an integer number (9617637636360).

Almost surely, 2^{213023212123122} is an apocalyptic number.

213023212123122 is an abundant number, since it is smaller than the sum of its proper divisors (248623394422158).

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

213023212123122 is a wasteful number, since it uses less digits than its factorization.

213023212123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101527 (or 101524 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 213023212123122 its reverse (221321212320312), we get a palindrome (434344424443434).

The spelling of 213023212123122 in words is "two hundred thirteen trillion, twenty-three billion, two hundred twelve million, one hundred twenty-three thousand, one hundred twenty-two".