120212021982 has 64 divisors (see below), whose sum is σ = 263847870720. Its totient is φ = 36286656000.

The previous prime is 120212021959. The next prime is 120212021999. The reversal of 120212021982 is 289120212021.

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, 2232982 + ... + 2286182.

It is an arithmetic number, because the mean of its divisors is an integer number (4122622980).

Almost surely, 2^120212021982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120212021982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131923935360).

120212021982 is an abundant number, since it is smaller than the sum of its proper divisors (143635848738).

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

120212021982 is a wasteful number, since it uses less digits than its factorization.

120212021982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53769.

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 120212021982 in words is "one hundred twenty billion, two hundred twelve million, twenty-one thousand, nine hundred eighty-two".