201026458312 has 16 divisors (see below), whose sum is σ = 377231319900. Its totient is φ = 100431439680.

The previous prime is 201026458247. The next prime is 201026458319. The reversal of 201026458312 is 213854620102.

It can be written as a sum of positive squares in 2 ways, for example, as 169557827076 + 31468631236 = 411774^2 + 177394^2 .

It is not an unprimeable number, because it can be changed into a prime (201026458319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10213239 + ... + 10232902.

Almost surely, 2^201026458312 is an apocalyptic number.

It is an amenable number.

201026458312 is a deficient number, since it is larger than the sum of its proper divisors (176204861588).

201026458312 is a wasteful number, since it uses less digits than its factorization.

201026458312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20447376 (or 20447372 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 201026458312 in words is "two hundred one billion, twenty-six million, four hundred fifty-eight thousand, three hundred twelve".