10123131202 has 16 divisors (see below), whose sum is σ = 16137698040. Its totient is φ = 4746112768.

The previous prime is 10123131133. The next prime is 10123131209. The reversal of 10123131202 is 20213132101.

It can be written as a sum of positive squares in 4 ways, for example, as 6577047801 + 3546083401 = 81099^2 + 59549^2 .

It is not an unprimeable number, because it can be changed into a prime (10123131209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544273 + ... + 562564.

Almost surely, 2^10123131202 is an apocalyptic number.

10123131202 is a deficient number, since it is larger than the sum of its proper divisors (6014566838).

10123131202 is a wasteful number, since it uses less digits than its factorization.

10123131202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107125.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10123131202 its reverse (20213132101), we get a palindrome (30336263303).

The spelling of 10123131202 in words is "ten billion, one hundred twenty-three million, one hundred thirty-one thousand, two hundred two".