120221192 has 48 divisors (see below), whose sum is σ = 278979840. Its totient is φ = 47556288.

The previous prime is 120221147. The next prime is 120221197. The reversal of 120221192 is 291122021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120221197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3113 + ... + 15815.

It is an arithmetic number, because the mean of its divisors is an integer number (5812080).

Almost surely, 2^120221192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120221192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139489920).

120221192 is an abundant number, since it is smaller than the sum of its proper divisors (158758648).

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

120221192 is a wasteful number, since it uses less digits than its factorization.

120221192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12742 (or 12725 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 120221192 is about 10964.5424893153. The cubic root of 120221192 is about 493.5452879509.

The spelling of 120221192 in words is "one hundred twenty million, two hundred twenty-one thousand, one hundred ninety-two".