12010010120 has 64 divisors (see below), whose sum is σ = 28226016000. Its totient is φ = 4593270528.

The previous prime is 12010010113. The next prime is 12010010137. The reversal of 12010010120 is 2101001021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 12010010098 and 12010010107.

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, 69221 + ... + 169739.

It is an arithmetic number, because the mean of its divisors is an integer number (441031500).

Almost surely, 2^12010010120 is an apocalyptic number.

12010010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12010010120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14113008000).

12010010120 is an abundant number, since it is smaller than the sum of its proper divisors (16216005880).

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

12010010120 is a wasteful number, since it uses less digits than its factorization.

12010010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100662 (or 100658 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12010010120 its reverse (2101001021), we get a palindrome (14111011141).

Subtracting from 12010010120 its reverse (2101001021), we obtain a palindrome (9909009099).

The spelling of 12010010120 in words is "twelve billion, ten million, ten thousand, one hundred twenty".