10212240131 has 4 divisors (see below), whose sum is σ = 10541667264. Its totient is φ = 9882813000.

The previous prime is 10212240127. The next prime is 10212240197. The reversal of 10212240131 is 13104221201.

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 10212240131 - 2² = 10212240127 is a prime.

It is a super-2 number, since 2×10212240131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212240121) 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, 164713520 + ... + 164713581.

It is an arithmetic number, because the mean of its divisors is an integer number (2635416816).

Almost surely, 2^10212240131 is an apocalyptic number.

10212240131 is a deficient number, since it is larger than the sum of its proper divisors (329427133).

10212240131 is an equidigital number, since it uses as much as digits as its factorization.

10212240131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329427132.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10212240131 its reverse (13104221201), we get a palindrome (23316461332).

The spelling of 10212240131 in words is "ten billion, two hundred twelve million, two hundred forty thousand, one hundred thirty-one".