1211133213112 has 16 divisors (see below), whose sum is σ = 2275336225800. Its totient is φ = 604376886240.

The previous prime is 1211133213091. The next prime is 1211133213167. The reversal of 1211133213112 is 2113123311121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148710714 + ... + 148718857.

Almost surely, 2^{1211133213112} is an apocalyptic number.

It is an amenable number.

1211133213112 is a deficient number, since it is larger than the sum of its proper divisors (1064203012688).

1211133213112 is a wasteful number, since it uses less digits than its factorization.

1211133213112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297430086 (or 297430082 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

Adding to 1211133213112 its reverse (2113123311121), we get a palindrome (3324256524233).

The spelling of 1211133213112 in words is "one trillion, two hundred eleven billion, one hundred thirty-three million, two hundred thirteen thousand, one hundred twelve".