201172135270 has 8 divisors (see below), whose sum is σ = 362109843504. Its totient is φ = 80468854104.

The previous prime is 201172135243. The next prime is 201172135273. The reversal of 201172135270 is 72531271102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201172135273) 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, 10058606754 + ... + 10058606773.

It is an arithmetic number, because the mean of its divisors is an integer number (45263730438).

Almost surely, 2^201172135270 is an apocalyptic number.

201172135270 is a deficient number, since it is larger than the sum of its proper divisors (160937708234).

201172135270 is a wasteful number, since it uses less digits than its factorization.

201172135270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20117213534.

The product of its (nonzero) digits is 5880, while the sum is 31.

The spelling of 201172135270 in words is "two hundred one billion, one hundred seventy-two million, one hundred thirty-five thousand, two hundred seventy".