1200131111132 has 24 divisors (see below), whose sum is σ = 2108515487232. Its totient is φ = 597698766000.

The previous prime is 1200131111089. The next prime is 1200131111143. The reversal of 1200131111132 is 2311111310021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200131111132.

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 7 ways as a sum of consecutive naturals, for example, 7655657 + ... + 7810847.

It is an arithmetic number, because the mean of its divisors is an integer number (87854811968).

Almost surely, 2^{1200131111132} is an apocalyptic number.

It is an amenable number.

1200131111132 is a deficient number, since it is larger than the sum of its proper divisors (908384376100).

1200131111132 is a wasteful number, since it uses less digits than its factorization.

1200131111132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162809 (or 162807 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1200131111132 its reverse (2311111310021), we get a palindrome (3511242421153).

The spelling of 1200131111132 in words is "one trillion, two hundred billion, one hundred thirty-one million, one hundred eleven thousand, one hundred thirty-two".