1200131311124 has 12 divisors (see below), whose sum is σ = 2105102720448. Its totient is φ = 598673391000.

The previous prime is 1200131311123. The next prime is 1200131311139. The reversal of 1200131311124 is 4211131310021.

It is a super-2 number, since 2×1200131311124² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200131311096 and 1200131311105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200131311123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348064202 + ... + 348067649.

It is an arithmetic number, because the mean of its divisors is an integer number (175425226704).

Almost surely, 2^{1200131311124} is an apocalyptic number.

It is an amenable number.

1200131311124 is a deficient number, since it is larger than the sum of its proper divisors (904971409324).

1200131311124 is a wasteful number, since it uses less digits than its factorization.

1200131311124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696132286 (or 696132284 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1200131311124 its reverse (4211131310021), we get a palindrome (5411262621145).

The spelling of 1200131311124 in words is "one trillion, two hundred billion, one hundred thirty-one million, three hundred eleven thousand, one hundred twenty-four".