52215312122 has 16 divisors (see below), whose sum is σ = 79373001600. Its totient is φ = 25758133440.

The previous prime is 52215312109. The next prime is 52215312131. The reversal of 52215312122 is 22121351225.

It is a happy number.

52215312122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52215312091 and 52215312100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93629 + ... + 336447.

It is an arithmetic number, because the mean of its divisors is an integer number (4960812600).

Almost surely, 2^52215312122 is an apocalyptic number.

52215312122 is a deficient number, since it is larger than the sum of its proper divisors (27157689478).

52215312122 is a wasteful number, since it uses less digits than its factorization.

52215312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244261.

The product of its digits is 2400, while the sum is 26.

Adding to 52215312122 its reverse (22121351225), we get a palindrome (74336663347).

The spelling of 52215312122 in words is "fifty-two billion, two hundred fifteen million, three hundred twelve thousand, one hundred twenty-two".