1250542012131 has 6 divisors (see below), whose sum is σ = 1806338461980. Its totient is φ = 833694674748.

The previous prime is 1250542012099. The next prime is 1250542012169. The reversal of 1250542012131 is 1312102450521.

It is a happy number.

1250542012131 is a `hidden beast` number, since 1 + 2 + 505 + 4 + 2 + 0 + 121 + 31 = 666.

It is not a de Polignac number, because 1250542012131 - 2⁵ = 1250542012099 is a prime.

It is a super-2 number, since 2×1250542012131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1250542012095 and 1250542012104.

It is not an unprimeable number, because it can be changed into a prime (1250542010131) 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 5 ways as a sum of consecutive naturals, for example, 69474556221 + ... + 69474556238.

It is an arithmetic number, because the mean of its divisors is an integer number (301056410330).

Almost surely, 2^{1250542012131} is an apocalyptic number.

1250542012131 is a deficient number, since it is larger than the sum of its proper divisors (555796449849).

1250542012131 is a wasteful number, since it uses less digits than its factorization.

1250542012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138949112465 (or 138949112462 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 1250542012131 its reverse (1312102450521), we get a palindrome (2562644462652).

The spelling of 1250542012131 in words is "one trillion, two hundred fifty billion, five hundred forty-two million, twelve thousand, one hundred thirty-one".