1200233002131 has 16 divisors (see below), whose sum is σ = 1778178629920. Its totient is φ = 800130286080.

The previous prime is 1200233002099. The next prime is 1200233002139. The reversal of 1200233002131 is 1312003320021.

1200233002131 is a `hidden beast` number, since 1 + 200 + 2 + 330 + 0 + 2 + 131 = 666.

It is not a de Polignac number, because 1200233002131 - 2⁵ = 1200233002099 is a prime.

It is a super-2 number, since 2×1200233002131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200233002139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203811 + ... + 1562691.

It is an arithmetic number, because the mean of its divisors is an integer number (111136164370).

Almost surely, 2^{1200233002131} is an apocalyptic number.

1200233002131 is a deficient number, since it is larger than the sum of its proper divisors (577945627789).

1200233002131 is a wasteful number, since it uses less digits than its factorization.

1200233002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391603 (or 1391597 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1200233002131 its reverse (1312003320021), we get a palindrome (2512236322152).

The spelling of 1200233002131 in words is "one trillion, two hundred billion, two hundred thirty-three million, two thousand, one hundred thirty-one".