13272123281730 has 32 divisors (see below), whose sum is σ = 32454097689024. Its totient is φ = 3472454895936.

The previous prime is 13272123281713. The next prime is 13272123281749. The reversal of 13272123281730 is 3718232127231.

It is a happy number.

It is a super-2 number, since 2×13272123281730² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4173622084 + ... + 4173625263.

It is an arithmetic number, because the mean of its divisors is an integer number (1014190552782).

Almost surely, 2^{13272123281730} is an apocalyptic number.

13272123281730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13272123281730 is an abundant number, since it is smaller than the sum of its proper divisors (19181974407294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13272123281730 is a wasteful number, since it uses less digits than its factorization.

13272123281730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347247410.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 13272123281730 in words is "thirteen trillion, two hundred seventy-two billion, one hundred twenty-three million, two hundred eighty-one thousand, seven hundred thirty".