13123202132 has 6 divisors (see below), whose sum is σ = 22965603738. Its totient is φ = 6561601064.

The previous prime is 13123202129. The next prime is 13123202159. The reversal of 13123202132 is 23120232131.

It can be written as a sum of positive squares in only one way, i.e., 12056918416 + 1066283716 = 109804^2 + 32654^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640400263 + ... + 1640400270.

It is an arithmetic number, because the mean of its divisors is an integer number (3827600623).

Almost surely, 2^13123202132 is an apocalyptic number.

It is an amenable number.

13123202132 is a deficient number, since it is larger than the sum of its proper divisors (9842401606).

13123202132 is a wasteful number, since it uses less digits than its factorization.

13123202132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280800537 (or 3280800535 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13123202132 its reverse (23120232131), we get a palindrome (36243434263).

The spelling of 13123202132 in words is "thirteen billion, one hundred twenty-three million, two hundred two thousand, one hundred thirty-two".