13123101204 has 18 divisors (see below), whose sum is σ = 33172283690. Its totient is φ = 4374367056.

The previous prime is 13123101151. The next prime is 13123101289. The reversal of 13123101204 is 40210132131.

It can be written as a sum of positive squares in only one way, i.e., 13087817604 + 35283600 = 114402^2 + 5940^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182265259 + ... + 182265330.

Almost surely, 2^13123101204 is an apocalyptic number.

It is an amenable number.

13123101204 is an abundant number, since it is smaller than the sum of its proper divisors (20049182486).

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

13123101204 is a wasteful number, since it uses less digits than its factorization.

13123101204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364530599 (or 364530594 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13123101204 its reverse (40210132131), we get a palindrome (53333233335).

The spelling of 13123101204 in words is "thirteen billion, one hundred twenty-three million, one hundred one thousand, two hundred four".