120011221992 has 16 divisors (see below), whose sum is σ = 300028055040. Its totient is φ = 40003740656.

The previous prime is 120011221969. The next prime is 120011222003. The reversal of 120011221992 is 299122110021.

120011221992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500233768 + ... + 2500233815.

It is an arithmetic number, because the mean of its divisors is an integer number (18751753440).

Almost surely, 2^120011221992 is an apocalyptic number.

120011221992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120011221992 is an abundant number, since it is smaller than the sum of its proper divisors (180016833048).

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

120011221992 is a wasteful number, since it uses less digits than its factorization.

120011221992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000467592 (or 5000467588 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 120011221992 in words is "one hundred twenty billion, eleven million, two hundred twenty-one thousand, nine hundred ninety-two".