198120010 has 16 divisors (see below), whose sum is σ = 389035872. Its totient is φ = 72043600.

The previous prime is 198120007. The next prime is 198120019. The reversal of 198120010 is 10021891.

198120010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (198120019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900436 + ... + 900655.

It is an arithmetic number, because the mean of its divisors is an integer number (24314742).

Almost surely, 2^198120010 is an apocalyptic number.

198120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198120010 is a deficient number, since it is larger than the sum of its proper divisors (190915862).

198120010 is a wasteful number, since it uses less digits than its factorization.

198120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801109.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 198120010 is about 14075.5110031572. The cubic root of 198120010 is about 582.9654013579.

The spelling of 198120010 in words is "one hundred ninety-eight million, one hundred twenty thousand, ten".