202322111212 has 48 divisors (see below), whose sum is σ = 383208537600. Its totient is φ = 92913065280.

The previous prime is 202322111161. The next prime is 202322111239. The reversal of 202322111212 is 212111223202.

It is a super-2 number, since 2×202322111212² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202322111212.

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, 8482239 + ... + 8506057.

It is an arithmetic number, because the mean of its divisors is an integer number (7983511200).

Almost surely, 2^202322111212 is an apocalyptic number.

It is an amenable number.

202322111212 is a deficient number, since it is larger than the sum of its proper divisors (180886426388).

202322111212 is a wasteful number, since it uses less digits than its factorization.

202322111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24646 (or 24644 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 202322111212 its reverse (212111223202), we get a palindrome (414433334414).

The spelling of 202322111212 in words is "two hundred two billion, three hundred twenty-two million, one hundred eleven thousand, two hundred twelve".