12133021221112 has 32 divisors (see below), whose sum is σ = 24817713735600. Its totient is φ = 5514971795200.

The previous prime is 12133021221109. The next prime is 12133021221179. The reversal of 12133021221112 is 21112212033121.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15448812 + ... + 16215172.

Almost surely, 2^{12133021221112} is an apocalyptic number.

It is an amenable number.

12133021221112 is an abundant number, since it is smaller than the sum of its proper divisors (12684692514488).

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

12133021221112 is a wasteful number, since it uses less digits than its factorization.

12133021221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946287 (or 946283 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12133021221112 its reverse (21112212033121), we get a palindrome (33245233254233).

The spelling of 12133021221112 in words is "twelve trillion, one hundred thirty-three billion, twenty-one million, two hundred twenty-one thousand, one hundred twelve".