299999021120 has 28 divisors (see below), whose sum is σ = 714372669804. Its totient is φ = 119999608320.

The previous prime is 299999021093. The next prime is 299999021137. The reversal of 299999021120 is 21120999992.

It can be written as a sum of positive squares in 2 ways, for example, as 85881819136 + 214117201984 = 293056^2 + 462728^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468748151 + ... + 468748790.

Almost surely, 2^299999021120 is an apocalyptic number.

299999021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299999021120 is an abundant number, since it is smaller than the sum of its proper divisors (414373648684).

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

299999021120 is an equidigital number, since it uses as much as digits as its factorization.

299999021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937496958 (or 937496948 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 53.

The spelling of 299999021120 in words is "two hundred ninety-nine billion, nine hundred ninety-nine million, twenty-one thousand, one hundred twenty".