1210202013231 has 6 divisors (see below), whose sum is σ = 1748069574680. Its totient is φ = 806801342148.

The previous prime is 1210202013191. The next prime is 1210202013233. The reversal of 1210202013231 is 1323102020121.

1210202013231 is a `hidden beast` number, since 1 + 210 + 20 + 201 + 3 + 231 = 666.

It is not a de Polignac number, because 1210202013231 - 2²⁶ = 1210134904367 is a prime.

It is a super-2 number, since 2×1210202013231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210202013233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67233445171 + ... + 67233445188.

Almost surely, 2^{1210202013231} is an apocalyptic number.

1210202013231 is a deficient number, since it is larger than the sum of its proper divisors (537867561449).

1210202013231 is a wasteful number, since it uses less digits than its factorization.

1210202013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134466890365 (or 134466890362 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1210202013231 its reverse (1323102020121), we get a palindrome (2533304033352).

The spelling of 1210202013231 in words is "one trillion, two hundred ten billion, two hundred two million, thirteen thousand, two hundred thirty-one".