120213912 has 128 divisors (see below), whose sum is σ = 389491200. Its totient is φ = 30025728.

The previous prime is 120213887. The next prime is 120213923. The reversal of 120213912 is 219312021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40048 + ... + 42944.

It is an arithmetic number, because the mean of its divisors is an integer number (3042900).

Almost surely, 2^120213912 is an apocalyptic number.

120213912 is a gapful number since it is divisible by the number (12) 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 120213912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194745600).

120213912 is an abundant number, since it is smaller than the sum of its proper divisors (269277288).

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

120213912 is a wasteful number, since it uses less digits than its factorization.

120213912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945 (or 2941 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 120213912 is about 10964.2105050934. The cubic root of 120213912 is about 493.5353255304.

Adding to 120213912 its reverse (219312021), we get a palindrome (339525933).

The spelling of 120213912 in words is "one hundred twenty million, two hundred thirteen thousand, nine hundred twelve".