12120100110 has 96 divisors (see below), whose sum is σ = 31701196800. Its totient is φ = 3212723904.

The previous prime is 12120100103. The next prime is 12120100129. The reversal of 12120100110 is 1100102121.

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 = 12120100092 and 12120100101.

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, 20233591 + ... + 20234189.

It is an arithmetic number, because the mean of its divisors is an integer number (330220800).

Almost surely, 2^12120100110 is an apocalyptic number.

12120100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120100110 is an abundant number, since it is smaller than the sum of its proper divisors (19581096690).

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

12120100110 is a wasteful number, since it uses less digits than its factorization.

12120100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582 (or 1579 counting only the distinct ones).

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

Adding to 12120100110 its reverse (1100102121), we get a palindrome (13220202231).

The spelling of 12120100110 in words is "twelve billion, one hundred twenty million, one hundred thousand, one hundred ten".