12133203412 has 24 divisors (see below), whose sum is σ = 23166484992. Its totient is φ = 5514355200.

The previous prime is 12133203391. The next prime is 12133203457. The reversal of 12133203412 is 21430233121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 445837 + ... + 472267.

It is an arithmetic number, because the mean of its divisors is an integer number (965270208).

Almost surely, 2^12133203412 is an apocalyptic number.

It is an amenable number.

12133203412 is a deficient number, since it is larger than the sum of its proper divisors (11033281580).

12133203412 is a wasteful number, since it uses less digits than its factorization.

12133203412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36879 (or 36877 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12133203412 its reverse (21430233121), we get a palindrome (33563436533).

The spelling of 12133203412 in words is "twelve billion, one hundred thirty-three million, two hundred three thousand, four hundred twelve".