22231304012000 has 96 divisors (see below), whose sum is σ = 54623936412864. Its totient is φ = 8892257472000.

The previous prime is 22231304011999. The next prime is 22231304012039. The reversal of 22231304012000 is 21040313222.

It is a super-2 number, since 2×22231304012000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 188385014 + ... + 188502986.

It is an arithmetic number, because the mean of its divisors is an integer number (568999337634).

Almost surely, 2^{22231304012000} is an apocalyptic number.

22231304012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22231304012000 is an abundant number, since it is smaller than the sum of its proper divisors (32392632400864).

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

22231304012000 is a wasteful number, since it uses less digits than its factorization.

22231304012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165109 (or 165091 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22231304012000 its reverse (21040313222), we get a palindrome (22252344325222).

The spelling of 22231304012000 in words is "twenty-two trillion, two hundred thirty-one billion, three hundred four million, twelve thousand".