120001013020 has 48 divisors (see below), whose sum is σ = 297292843008. Its totient is φ = 39816002880.

The previous prime is 120001013017. The next prime is 120001013063. The reversal of 120001013020 is 20310100021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120001012988 and 120001013006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13820662 + ... + 13829341.

It is an arithmetic number, because the mean of its divisors is an integer number (6193600896).

Almost surely, 2^120001013020 is an apocalyptic number.

120001013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001013020 is an abundant number, since it is smaller than the sum of its proper divisors (177291829988).

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

120001013020 is a wasteful number, since it uses less digits than its factorization.

120001013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27650050 (or 27650048 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 120001013020 its reverse (20310100021), we get a palindrome (140311113041).

The spelling of 120001013020 in words is "one hundred twenty billion, one million, thirteen thousand, twenty".