10131012312 has 16 divisors (see below), whose sum is σ = 25327530840. Its totient is φ = 3377004096.

The previous prime is 10131012277. The next prime is 10131012361. The reversal of 10131012312 is 21321013101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10131012291 and 10131012300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211062733 + ... + 211062780.

Almost surely, 2^10131012312 is an apocalyptic number.

10131012312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10131012312 is an abundant number, since it is smaller than the sum of its proper divisors (15196518528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10131012312 is a wasteful number, since it uses less digits than its factorization.

10131012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422125522 (or 422125518 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10131012312 its reverse (21321013101), we get a palindrome (31452025413).

The spelling of 10131012312 in words is "ten billion, one hundred thirty-one million, twelve thousand, three hundred twelve".