101312212130 has 64 divisors (see below), whose sum is σ = 195991031808. Its totient is φ = 37571773440.

The previous prime is 101312212073. The next prime is 101312212159. The reversal of 101312212130 is 31212213101.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 101312212099 and 101312212108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3329264 + ... + 3359556.

It is an arithmetic number, because the mean of its divisors is an integer number (3062359872).

Almost surely, 2^101312212130 is an apocalyptic number.

101312212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101312212130 is a deficient number, since it is larger than the sum of its proper divisors (94678819678).

101312212130 is a wasteful number, since it uses less digits than its factorization.

101312212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30611.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101312212130 its reverse (31212213101), we get a palindrome (132524425231).

The spelling of 101312212130 in words is "one hundred one billion, three hundred twelve million, two hundred twelve thousand, one hundred thirty".