12846855420 has 96 divisors (see below), whose sum is σ = 45677721600. Its totient is φ = 2936423232.

The previous prime is 12846855401. The next prime is 12846855451. The reversal of 12846855420 is 2455864821.

12846855420 is a `hidden beast` number, since 1 + 28 + 4 + 6 + 85 + 542 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1695540 + ... + 1703099.

It is an arithmetic number, because the mean of its divisors is an integer number (475809600).

Almost surely, 2^12846855420 is an apocalyptic number.

12846855420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12846855420 is an abundant number, since it is smaller than the sum of its proper divisors (32830866180).

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

12846855420 is a wasteful number, since it uses less digits than its factorization.

12846855420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398664 (or 3398656 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 12846855420 in words is "twelve billion, eight hundred forty-six million, eight hundred fifty-five thousand, four hundred twenty".