128050692201 has 12 divisors (see below), whose sum is σ = 184966146612. Its totient is φ = 85365265536.

The previous prime is 128050692197. The next prime is 128050692229. The reversal of 128050692201 is 102296050821.

128050692201 is a `hidden beast` number, since 128 + 0 + 506 + 9 + 2 + 20 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 87794282601 + 40256409600 = 296301^2 + 200640^2 .

It is not a de Polignac number, because 128050692201 - 2² = 128050692197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128050692251) 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, 375805 + ... + 630341.

It is an arithmetic number, because the mean of its divisors is an integer number (15413845551).

Almost surely, 2^128050692201 is an apocalyptic number.

It is an amenable number.

128050692201 is a deficient number, since it is larger than the sum of its proper divisors (56915454411).

128050692201 is a wasteful number, since it uses less digits than its factorization.

128050692201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310440 (or 310437 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 128050692201 in words is "one hundred twenty-eight billion, fifty million, six hundred ninety-two thousand, two hundred one".