120020100000120 has 96 divisors (see below), whose sum is σ = 413010344139120. Its totient is φ = 30122691763200.

The previous prime is 120020100000091. The next prime is 120020100000149. The reversal of 120020100000120 is 21000001020021.

It is an interprime number because it is at equal distance from previous prime (120020100000091) and next prime (120020100000149).

It is a super-4 number, since 4×120020100000120⁴ (a number of 57 digits) contains 4444 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9805557606 + ... + 9805569845.

Almost surely, 2^{120020100000120} is an apocalyptic number.

120020100000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020100000120 is an abundant number, since it is smaller than the sum of its proper divisors (292990244139000).

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

120020100000120 is a wasteful number, since it uses less digits than its factorization.

120020100000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19611127485 (or 19611127478 counting only the distinct ones).

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

Adding to 120020100000120 its reverse (21000001020021), we get a palindrome (141020101020141).

The spelling of 120020100000120 in words is "one hundred twenty trillion, twenty billion, one hundred million, one hundred twenty", and thus it is an aban number.