12132322103213 has 4 divisors (see below), whose sum is σ = 13065577649628. Its totient is φ = 11199066556800.

The previous prime is 12132322103203. The next prime is 12132322103287. The reversal of 12132322103213 is 31230122323121.

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 8284282767049 + 3848039336164 = 2878243^2 + 1961642^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132322103213 - 2⁶ = 12132322103149 is a prime.

It is a super-2 number, since 2×12132322103213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132322103203) 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, 466627773188 + ... + 466627773213.

It is an arithmetic number, because the mean of its divisors is an integer number (3266394412407).

Almost surely, 2^{12132322103213} is an apocalyptic number.

12132322103213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12132322103213 is a deficient number, since it is larger than the sum of its proper divisors (933255546415).

12132322103213 is an equidigital number, since it uses as much as digits as its factorization.

12132322103213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933255546414.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12132322103213 its reverse (31230122323121), we get a palindrome (43362444426334).

The spelling of 12132322103213 in words is "twelve trillion, one hundred thirty-two billion, three hundred twenty-two million, one hundred three thousand, two hundred thirteen".