188445120201 has 12 divisors (see below), whose sum is σ = 293136853828. Its totient is φ = 115966227744.

The previous prime is 188445120191. The next prime is 188445120223. The reversal of 188445120201 is 102021544881.

188445120201 is a `hidden beast` number, since 1 + 8 + 8 + 445 + 1 + 2 + 0 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21527932176 + 166917188025 = 146724^2 + 408555^2 .

It is not a de Polignac number, because 188445120201 - 2¹⁷ = 188444989129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (188445120301) 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, 805320910 + ... + 805321143.

Almost surely, 2^188445120201 is an apocalyptic number.

It is an amenable number.

188445120201 is a deficient number, since it is larger than the sum of its proper divisors (104691733627).

188445120201 is a wasteful number, since it uses less digits than its factorization.

188445120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610642072 (or 1610642069 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The spelling of 188445120201 in words is "one hundred eighty-eight billion, four hundred forty-five million, one hundred twenty thousand, two hundred one".