120123211020 has 48 divisors (see below), whose sum is σ = 336374878560. Its totient is φ = 32030009856.

The previous prime is 120123210971. The next prime is 120123211031. The reversal of 120123211020 is 20112321021.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 641466 + ... + 807294.

It is an arithmetic number, because the mean of its divisors is an integer number (7007809970).

Almost surely, 2^120123211020 is an apocalyptic number.

120123211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120123211020 is an abundant number, since it is smaller than the sum of its proper divisors (216251667540).

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

120123211020 is a wasteful number, since it uses less digits than its factorization.

120123211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177914 (or 177912 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120123211020 its reverse (20112321021), we get a palindrome (140235532041).

The spelling of 120123211020 in words is "one hundred twenty billion, one hundred twenty-three million, two hundred eleven thousand, twenty".