12900075838 has 16 divisors (see below), whose sum is σ = 20844323136. Its totient is φ = 5952241440.

The previous prime is 12900075781. The next prime is 12900075889. The reversal of 12900075838 is 83857000921.

It is a junction number, because it is equal to n+sod(n) for n = 12900075794 and 12900075803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30603 + ... + 163513.

It is an arithmetic number, because the mean of its divisors is an integer number (1302770196).

Almost surely, 2^12900075838 is an apocalyptic number.

12900075838 is a deficient number, since it is larger than the sum of its proper divisors (7944247298).

12900075838 is a wasteful number, since it uses less digits than its factorization.

12900075838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136659.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 12900075838 in words is "twelve billion, nine hundred million, seventy-five thousand, eight hundred thirty-eight".