120020112099 has 20 divisors (see below), whose sum is σ = 179788759920. Its totient is φ = 79790510160.

The previous prime is 120020112083. The next prime is 120020112127. The reversal of 120020112099 is 990211020021.

It is not a de Polignac number, because 120020112099 - 2⁴ = 120020112083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (120020112899) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2034612 + ... + 2092769.

It is an arithmetic number, because the mean of its divisors is an integer number (8989437996).

Almost surely, 2^120020112099 is an apocalyptic number.

120020112099 is a deficient number, since it is larger than the sum of its proper divisors (59768647821).

120020112099 is an equidigital number, since it uses as much as digits as its factorization.

120020112099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127752 (or 4127743 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 120020112099 in words is "one hundred twenty billion, twenty million, one hundred twelve thousand, ninety-nine".