1201201202131 has 32 divisors (see below), whose sum is σ = 1478761920000. Its totient is φ = 952243948032.

The previous prime is 1201201202101. The next prime is 1201201202137. The reversal of 1201201202131 is 1312021021021.

It is a cyclic number.

It is not a de Polignac number, because 1201201202131 - 2⁵ = 1201201202099 is a prime.

It is a super-2 number, since 2×1201201202131² (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 (1201201202137) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18917985 + ... + 18981373.

It is an arithmetic number, because the mean of its divisors is an integer number (46211310000).

Almost surely, 2^{1201201202131} is an apocalyptic number.

1201201202131 is a deficient number, since it is larger than the sum of its proper divisors (277560717869).

1201201202131 is a wasteful number, since it uses less digits than its factorization.

1201201202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66171.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1201201202131 its reverse (1312021021021), we get a palindrome (2513222223152).

The spelling of 1201201202131 in words is "one trillion, two hundred one billion, two hundred one million, two hundred two thousand, one hundred thirty-one".