120011220120 has 64 divisors (see below), whose sum is σ = 392763997440. Its totient is φ = 29093628800.

The previous prime is 120011220083. The next prime is 120011220137. The reversal of 120011220120 is 21022110021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120011220096 and 120011220105.

It is a congruent number.

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, 45457476 + ... + 45460115.

It is an arithmetic number, because the mean of its divisors is an integer number (6136937460).

Almost surely, 2^120011220120 is an apocalyptic number.

120011220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011220120 is an abundant number, since it is smaller than the sum of its proper divisors (272752777320).

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

120011220120 is a wasteful number, since it uses less digits than its factorization.

120011220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90917616 (or 90917612 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120011220120 its reverse (21022110021), we get a palindrome (141033330141).

The spelling of 120011220120 in words is "one hundred twenty billion, eleven million, two hundred twenty thousand, one hundred twenty".