1131212110012 has 12 divisors (see below), whose sum is σ = 2009167777960. Its totient is φ = 557164173456.

The previous prime is 1131212109983. The next prime is 1131212110033. The reversal of 1131212110012 is 2100112121311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110470087 + ... + 2110470622.

Almost surely, 2^{1131212110012} is an apocalyptic number.

It is an amenable number.

1131212110012 is a deficient number, since it is larger than the sum of its proper divisors (877955667948).

1131212110012 is a wasteful number, since it uses less digits than its factorization.

1131212110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220940780 (or 4220940778 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1131212110012 its reverse (2100112121311), we get a palindrome (3231324231323).

The spelling of 1131212110012 in words is "one trillion, one hundred thirty-one billion, two hundred twelve million, one hundred ten thousand, twelve".