22313100031212 has 12 divisors (see below), whose sum is σ = 52063900072856. Its totient is φ = 7437700010400.

The previous prime is 22313100031181. The next prime is 22313100031217. The reversal of 22313100031212 is 21213000131322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×22313100031212³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22313100031217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929712501289 + ... + 929712501312.

Almost surely, 2^{22313100031212} is an apocalyptic number.

It is an amenable number.

22313100031212 is an abundant number, since it is smaller than the sum of its proper divisors (29750800041644).

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

22313100031212 is a wasteful number, since it uses less digits than its factorization.

22313100031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859425002608 (or 1859425002606 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 22313100031212 its reverse (21213000131322), we get a palindrome (43526100162534).

The spelling of 22313100031212 in words is "twenty-two trillion, three hundred thirteen billion, one hundred million, thirty-one thousand, two hundred twelve".