12834880420 has 24 divisors (see below), whose sum is σ = 27681716664. Its totient is φ = 4995196416.

The previous prime is 12834880397. The next prime is 12834880427. The reversal of 12834880420 is 2408843821.

It can be written as a sum of positive squares in 4 ways, for example, as 3326290276 + 9508590144 = 57674^2 + 97512^2 .

It is not an unprimeable number, because it can be changed into a prime (12834880427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8671477 + ... + 8672956.

It is an arithmetic number, because the mean of its divisors is an integer number (1153404861).

Almost surely, 2^12834880420 is an apocalyptic number.

12834880420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12834880420 is an abundant number, since it is smaller than the sum of its proper divisors (14846836244).

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

12834880420 is a wasteful number, since it uses less digits than its factorization.

12834880420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17344479 (or 17344477 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 12834880420 in words is "twelve billion, eight hundred thirty-four million, eight hundred eighty thousand, four hundred twenty".