12133222140 has 48 divisors (see below), whose sum is σ = 36586333728. Its totient is φ = 2986639104.

The previous prime is 12133222139. The next prime is 12133222169. The reversal of 12133222140 is 4122233121.

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, 7776927 + ... + 7778486.

It is an arithmetic number, because the mean of its divisors is an integer number (762215286).

Almost surely, 2^12133222140 is an apocalyptic number.

12133222140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12133222140 is an abundant number, since it is smaller than the sum of its proper divisors (24453111588).

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

12133222140 is a wasteful number, since it uses less digits than its factorization.

12133222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15555438 (or 15555436 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12133222140 its reverse (4122233121), we get a palindrome (16255455261).

The spelling of 12133222140 in words is "twelve billion, one hundred thirty-three million, two hundred twenty-two thousand, one hundred forty".