12838155126 has 64 divisors (see below), whose sum is σ = 26537932800. Its totient is φ = 4138424576.

The previous prime is 12838155119. The next prime is 12838155137. The reversal of 12838155126 is 62155183821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13556185 + ... + 13557131.

It is an arithmetic number, because the mean of its divisors is an integer number (414655200).

Almost surely, 2^12838155126 is an apocalyptic number.

12838155126 is an abundant number, since it is smaller than the sum of its proper divisors (13699777674).

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

12838155126 is a wasteful number, since it uses less digits than its factorization.

12838155126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573.

The product of its digits is 115200, while the sum is 42.

The spelling of 12838155126 in words is "twelve billion, eight hundred thirty-eight million, one hundred fifty-five thousand, one hundred twenty-six".