12826515020 has 24 divisors (see below), whose sum is σ = 29384380368. Its totient is φ = 4664187200.

The previous prime is 12826515017. The next prime is 12826515059. The reversal of 12826515020 is 2051562821.

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, 29150951 + ... + 29151390.

It is an arithmetic number, because the mean of its divisors is an integer number (1224349182).

Almost surely, 2^12826515020 is an apocalyptic number.

12826515020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12826515020 is an abundant number, since it is smaller than the sum of its proper divisors (16557865348).

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

12826515020 is a wasteful number, since it uses less digits than its factorization.

12826515020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58302361 (or 58302359 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 12826515020 in words is "twelve billion, eight hundred twenty-six million, five hundred fifteen thousand, twenty".