1200131131122 has 48 divisors (see below), whose sum is σ = 3241912669632. Its totient is φ = 311722371360.

The previous prime is 1200131131063. The next prime is 1200131131141. The reversal of 1200131131122 is 2211311310021.

1200131131122 is a `hidden beast` number, since 1 + 20 + 0 + 1 + 311 + 311 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1200131131095 and 1200131131104.

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 23 ways as a sum of consecutive naturals, for example, 432946353 + ... + 432949124.

It is an arithmetic number, because the mean of its divisors is an integer number (67539847284).

Almost surely, 2^{1200131131122} is an apocalyptic number.

1200131131122 is an abundant number, since it is smaller than the sum of its proper divisors (2041781538510).

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

1200131131122 is a wasteful number, since it uses less digits than its factorization.

1200131131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865895503 (or 865895500 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1200131131122 its reverse (2211311310021), we get a palindrome (3411442441143).

The spelling of 1200131131122 in words is "one trillion, two hundred billion, one hundred thirty-one million, one hundred thirty-one thousand, one hundred twenty-two".