1210201213131 has 16 divisors (see below), whose sum is σ = 1799009778720. Its totient is φ = 804047217120.

The previous prime is 1210201213121. The next prime is 1210201213163. The reversal of 1210201213131 is 1313121020121.

1210201213131 is a `hidden beast` number, since 1 + 210 + 20 + 121 + 313 + 1 = 666.

It is not a de Polignac number, because 1210201213131 - 2¹⁰ = 1210201212107 is a prime.

It is a super-2 number, since 2×1210201213131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210201213121) 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 15 ways as a sum of consecutive naturals, for example, 76480600 + ... + 76496421.

It is an arithmetic number, because the mean of its divisors is an integer number (112438111170).

Almost surely, 2^{1210201213131} is an apocalyptic number.

1210201213131 is a deficient number, since it is larger than the sum of its proper divisors (588808565589).

1210201213131 is a wasteful number, since it uses less digits than its factorization.

1210201213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152977323 (or 152977317 counting only the distinct ones).

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

Adding to 1210201213131 its reverse (1313121020121), we get a palindrome (2523322233252).

The spelling of 1210201213131 in words is "one trillion, two hundred ten billion, two hundred one million, two hundred thirteen thousand, one hundred thirty-one".