13123222232132 has 24 divisors (see below), whose sum is σ = 23407343631000. Its totient is φ = 6435498557696.

The previous prime is 13123222232129. The next prime is 13123222232137. The reversal of 13123222232132 is 23123222232131.

It can be written as a sum of positive squares in 4 ways, for example, as 3668052326656 + 9455169905476 = 1915216^2 + 3074926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13123222232095 and 13123222232104.

It is not an unprimeable number, because it can be changed into a prime (13123222232137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10506257 + ... + 11688792.

It is an arithmetic number, because the mean of its divisors is an integer number (975305984625).

Almost surely, 2^{13123222232132} is an apocalyptic number.

It is an amenable number.

13123222232132 is a deficient number, since it is larger than the sum of its proper divisors (10284121398868).

13123222232132 is a wasteful number, since it uses less digits than its factorization.

13123222232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22197895 (or 22197893 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

Adding to 13123222232132 its reverse (23123222232131), we get a palindrome (36246444464263).

Subtracting 13123222232132 from its reverse (23123222232131), we obtain a palindrome (9999999999999).

The spelling of 13123222232132 in words is "thirteen trillion, one hundred twenty-three billion, two hundred twenty-two million, two hundred thirty-two thousand, one hundred thirty-two".