712221043010131 has 4 divisors (see below), whose sum is σ = 713683509218032. Its totient is φ = 710758576802232.

The previous prime is 712221043010089. The next prime is 712221043010203. The reversal of 712221043010131 is 131010340122217.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 712221043010131 - 2²⁵ = 712221009455699 is a prime.

It is a super-2 number, since 2×712221043010131² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 712221043010131.

It is not an unprimeable number, because it can be changed into a prime (712221043010431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731233103220 + ... + 731233104193.

It is an arithmetic number, because the mean of its divisors is an integer number (178420877304508).

Almost surely, 2^{712221043010131} is an apocalyptic number.

712221043010131 is a deficient number, since it is larger than the sum of its proper divisors (1462466207901).

712221043010131 is a wasteful number, since it uses less digits than its factorization.

712221043010131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462466207900.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 712221043010131 its reverse (131010340122217), we get a palindrome (843231383132348).

The spelling of 712221043010131 in words is "seven hundred twelve trillion, two hundred twenty-one billion, forty-three million, ten thousand, one hundred thirty-one".