10103211312 has 40 divisors (see below), whose sum is σ = 26111543040. Its totient is φ = 3366242880.

The previous prime is 10103211289. The next prime is 10103211317. The reversal of 10103211312 is 21311230101.

It is a happy number.

It is a super-2 number, since 2×10103211312² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10103211291 and 10103211300.

It is not an unprimeable number, because it can be changed into a prime (10103211317) 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, 65389 + ... + 156467.

It is an arithmetic number, because the mean of its divisors is an integer number (652788576).

Almost surely, 2^10103211312 is an apocalyptic number.

10103211312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10103211312 is an abundant number, since it is smaller than the sum of its proper divisors (16008331728).

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

10103211312 is a wasteful number, since it uses less digits than its factorization.

10103211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93401 (or 93395 counting only the distinct ones).

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

Adding to 10103211312 its reverse (21311230101), we get a palindrome (31414441413).

The spelling of 10103211312 in words is "ten billion, one hundred three million, two hundred eleven thousand, three hundred twelve".