1212130333131 has 16 divisors (see below), whose sum is σ = 1621910999040. Its totient is φ = 805222231200.

The previous prime is 1212130333109. The next prime is 1212130333243. The reversal of 1212130333131 is 1313330312121.

It is not a de Polignac number, because 1212130333131 - 2²¹ = 1212128235979 is a prime.

It is a super-2 number, since 2×1212130333131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212130333031) 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, 734856 + ... + 1721706.

It is an arithmetic number, because the mean of its divisors is an integer number (101369437440).

Almost surely, 2^{1212130333131} is an apocalyptic number.

1212130333131 is a deficient number, since it is larger than the sum of its proper divisors (409780665909).

1212130333131 is a wasteful number, since it uses less digits than its factorization.

1212130333131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988306.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1212130333131 its reverse (1313330312121), we get a palindrome (2525460645252).

The spelling of 1212130333131 in words is "one trillion, two hundred twelve billion, one hundred thirty million, three hundred thirty-three thousand, one hundred thirty-one".