120022100112 has 80 divisors (see below), whose sum is σ = 329015138112. Its totient is φ = 37571481600.

The previous prime is 120022100087. The next prime is 120022100153. The reversal of 120022100112 is 211001220021.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 211987 + ... + 533837.

Almost surely, 2^120022100112 is an apocalyptic number.

120022100112 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 120022100112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164507569056).

120022100112 is an abundant number, since it is smaller than the sum of its proper divisors (208993038000).

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

120022100112 is a wasteful number, since it uses less digits than its factorization.

120022100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322336 (or 322330 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120022100112 its reverse (211001220021), we get a palindrome (331023320133).

The spelling of 120022100112 in words is "one hundred twenty billion, twenty-two million, one hundred thousand, one hundred twelve".