1213102032131 has 16 divisors (see below), whose sum is σ = 1330794406656. Its totient is φ = 1096661580000.

The previous prime is 1213102032119. The next prime is 1213102032151. The reversal of 1213102032131 is 1312302013121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1213102032131 - 2²⁶ = 1213034923267 is a prime.

It is a super-2 number, since 2×1213102032131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1213102032151) 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, 1019096 + ... + 1861386.

It is an arithmetic number, because the mean of its divisors is an integer number (83174650416).

Almost surely, 2^{1213102032131} is an apocalyptic number.

1213102032131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1213102032131 is a deficient number, since it is larger than the sum of its proper divisors (117692374525).

1213102032131 is a wasteful number, since it uses less digits than its factorization.

1213102032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843034.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1213102032131 its reverse (1312302013121), we get a palindrome (2525404045252).

The spelling of 1213102032131 in words is "one trillion, two hundred thirteen billion, one hundred two million, thirty-two thousand, one hundred thirty-one".