1131213133412 has 24 divisors (see below), whose sum is σ = 2047928218560. Its totient is φ = 546091592480.

The previous prime is 1131213133387. The next prime is 1131213133489. The reversal of 1131213133412 is 2143313121311.

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, 9246023 + ... + 9367569.

It is an arithmetic number, because the mean of its divisors is an integer number (85330342440).

Almost surely, 2^{1131213133412} is an apocalyptic number.

It is an amenable number.

1131213133412 is a deficient number, since it is larger than the sum of its proper divisors (916715085148).

1131213133412 is a wasteful number, since it uses less digits than its factorization.

1131213133412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201811 (or 201809 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

Adding to 1131213133412 its reverse (2143313121311), we get a palindrome (3274526254723).

The spelling of 1131213133412 in words is "one trillion, one hundred thirty-one billion, two hundred thirteen million, one hundred thirty-three thousand, four hundred twelve".