12223313131212 has 96 divisors (see below), whose sum is σ = 31711584360960. Its totient is φ = 4071672843840.

The previous prime is 12223313131151. The next prime is 12223313131223. The reversal of 12223313131212 is 21213131332221.

12223313131212 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 3 + 313 + 131 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1807376943 + ... + 1807383705.

It is an arithmetic number, because the mean of its divisors is an integer number (330329003760).

Almost surely, 2^{12223313131212} is an apocalyptic number.

12223313131212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12223313131212 is an abundant number, since it is smaller than the sum of its proper divisors (19488271229748).

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

12223313131212 is a wasteful number, since it uses less digits than its factorization.

12223313131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15660 (or 15652 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 12223313131212 its reverse (21213131332221), we get a palindrome (33436444463433).

The spelling of 12223313131212 in words is "twelve trillion, two hundred twenty-three billion, three hundred thirteen million, one hundred thirty-one thousand, two hundred twelve".