122112021212 has 24 divisors (see below), whose sum is σ = 215994594816. Its totient is φ = 60400510128.

The previous prime is 122112021209. The next prime is 122112021223. The reversal of 122112021212 is 212120211221.

It is a super-2 number, since 2×122112021212² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 245153 + ... + 551655.

It is an arithmetic number, because the mean of its divisors is an integer number (8999774784).

Almost surely, 2^122112021212 is an apocalyptic number.

It is an amenable number.

122112021212 is a deficient number, since it is larger than the sum of its proper divisors (93882573604).

122112021212 is a wasteful number, since it uses less digits than its factorization.

122112021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307577 (or 307575 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122112021212 its reverse (212120211221), we get a palindrome (334232232433).

The spelling of 122112021212 in words is "one hundred twenty-two billion, one hundred twelve million, twenty-one thousand, two hundred twelve".