1212050321131 has 16 divisors (see below), whose sum is σ = 1306302427584. Its totient is φ = 1117943938944.

The previous prime is 1212050321117. The next prime is 1212050321143. The reversal of 1212050321131 is 1311230502121.

It is a cyclic number.

It is not a de Polignac number, because 1212050321131 - 2⁷ = 1212050321003 is a prime.

It is a super-2 number, since 2×1212050321131² (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 (1212050321231) 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, 167476045 + ... + 167483281.

It is an arithmetic number, because the mean of its divisors is an integer number (81643901724).

Almost surely, 2^{1212050321131} is an apocalyptic number.

1212050321131 is a deficient number, since it is larger than the sum of its proper divisors (94252106453).

1212050321131 is a wasteful number, since it uses less digits than its factorization.

1212050321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15510.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 1212050321131 its reverse (1311230502121), we get a palindrome (2523280823252).

The spelling of 1212050321131 in words is "one trillion, two hundred twelve billion, fifty million, three hundred twenty-one thousand, one hundred thirty-one".