10123131320312 has 32 divisors (see below), whose sum is σ = 19092176016480. Its totient is φ = 5031889253760.

The previous prime is 10123131320251. The next prime is 10123131320317. The reversal of 10123131320312 is 21302313132101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123131320317) 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, 16673762 + ... + 17270222.

It is an arithmetic number, because the mean of its divisors is an integer number (596630500515).

Almost surely, 2^{10123131320312} is an apocalyptic number.

It is an amenable number.

10123131320312 is a deficient number, since it is larger than the sum of its proper divisors (8969044696168).

10123131320312 is a wasteful number, since it uses less digits than its factorization.

10123131320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608903 (or 608899 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 10123131320312 its reverse (21302313132101), we get a palindrome (31425444452413).

The spelling of 10123131320312 in words is "ten trillion, one hundred twenty-three billion, one hundred thirty-one million, three hundred twenty thousand, three hundred twelve".