100012120110 has 96 divisors (see below), whose sum is σ = 301364623872. Its totient is φ = 22537932480.

The previous prime is 100012120097. The next prime is 100012120151. The reversal of 100012120110 is 11021210001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100012120092 and 100012120101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1073224 + ... + 1162683.

It is an arithmetic number, because the mean of its divisors is an integer number (3139214832).

Almost surely, 2^100012120110 is an apocalyptic number.

100012120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100012120110 is an abundant number, since it is smaller than the sum of its proper divisors (201352503762).

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

100012120110 is a wasteful number, since it uses less digits than its factorization.

100012120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235998 (or 2235995 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100012120110 its reverse (11021210001), we get a palindrome (111033330111).

The spelling of 100012120110 in words is "one hundred billion, twelve million, one hundred twenty thousand, one hundred ten".