12020120010 has 32 divisors (see below), whose sum is σ = 32053654080. Its totient is φ = 3205365264.

The previous prime is 12020119997. The next prime is 12020120023. The reversal of 12020120010 is 1002102021.

It is an interprime number because it is at equal distance from previous prime (12020119997) and next prime (12020120023).

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 = 12020119974 and 12020120001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22259212 + ... + 22259751.

It is an arithmetic number, because the mean of its divisors is an integer number (1001676690).

Almost surely, 2^12020120010 is an apocalyptic number.

12020120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020120010 is an abundant number, since it is smaller than the sum of its proper divisors (20033534070).

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

12020120010 is a wasteful number, since it uses less digits than its factorization.

12020120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44518979 (or 44518973 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12020120010 its reverse (1002102021), we get a palindrome (13022222031).

The spelling of 12020120010 in words is "twelve billion, twenty million, one hundred twenty thousand, ten".