12022213131312 has 40 divisors (see below), whose sum is σ = 31057520201904. Its totient is φ = 4007386792704.

The previous prime is 12022213131307. The next prime is 12022213131323. The reversal of 12022213131312 is 21313131222021.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 15095278 + ... + 15871730.

Almost surely, 2^{12022213131312} is an apocalyptic number.

12022213131312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12022213131312 is an abundant number, since it is smaller than the sum of its proper divisors (19035307070592).

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

12022213131312 is a wasteful number, since it uses less digits than its factorization.

12022213131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099037 (or 1099031 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12022213131312 its reverse (21313131222021), we get a palindrome (33335344353333).

The spelling of 12022213131312 in words is "twelve trillion, twenty-two billion, two hundred thirteen million, one hundred thirty-one thousand, three hundred twelve".