133012313131121 has 4 divisors (see below), whose sum is σ = 135192842854644. Its totient is φ = 130831783407600.

The previous prime is 133012313131097. The next prime is 133012313131141. The reversal of 133012313131121 is 121131313210331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14410716861025 + 118601596270096 = 3796145^2 + 10890436^2 .

It is a cyclic number.

It is not a de Polignac number, because 133012313131121 - 2¹⁰ = 133012313130097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133012313131141) 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, 1090264861670 + ... + 1090264861791.

It is an arithmetic number, because the mean of its divisors is an integer number (33798210713661).

Almost surely, 2^{133012313131121} is an apocalyptic number.

It is an amenable number.

133012313131121 is a deficient number, since it is larger than the sum of its proper divisors (2180529723523).

133012313131121 is an equidigital number, since it uses as much as digits as its factorization.

133012313131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180529723522.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 133012313131121 its reverse (121131313210331), we get a palindrome (254143626341452).

The spelling of 133012313131121 in words is "one hundred thirty-three trillion, twelve billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred twenty-one".