22321201312 has 24 divisors (see below), whose sum is σ = 45362443392. Its totient is φ = 10800580800.

The previous prime is 22321201303. The next prime is 22321201321. The reversal of 22321201312 is 21310212322.

It is an interprime number because it is at equal distance from previous prime (22321201303) and next prime (22321201321).

It is a super-3 number, since 3×22321201312³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22321201312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11249614 + ... + 11251597.

It is an arithmetic number, because the mean of its divisors is an integer number (1890101808).

Almost surely, 2^22321201312 is an apocalyptic number.

It is an amenable number.

22321201312 is an abundant number, since it is smaller than the sum of its proper divisors (23041242080).

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

22321201312 is a wasteful number, since it uses less digits than its factorization.

22321201312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22501252 (or 22501244 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22321201312 its reverse (21310212322), we get a palindrome (43631413634).

The spelling of 22321201312 in words is "twenty-two billion, three hundred twenty-one million, two hundred one thousand, three hundred twelve".