101312003122 has 12 divisors (see below), whose sum is σ = 167039212158. Its totient is φ = 46050910400.

The previous prime is 101312003059. The next prime is 101312003161. The reversal of 101312003122 is 221300213101.

It can be written as a sum of positive squares in only one way, i.e., 81915591681 + 19396411441 = 286209^2 + 139271^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101312003096 and 101312003105.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209322079 + ... + 209322562.

Almost surely, 2^101312003122 is an apocalyptic number.

101312003122 is a deficient number, since it is larger than the sum of its proper divisors (65727209036).

101312003122 is a wasteful number, since it uses less digits than its factorization.

101312003122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418644665 (or 418644654 counting only the distinct ones).

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

Adding to 101312003122 its reverse (221300213101), we get a palindrome (322612216223).

The spelling of 101312003122 in words is "one hundred one billion, three hundred twelve million, three thousand, one hundred twenty-two".