12345802620 has 24 divisors (see below), whose sum is σ = 34568247504. Its totient is φ = 3292214016.

The previous prime is 12345802619. The next prime is 12345802639. The reversal of 12345802620 is 2620854321.

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, 102881629 + ... + 102881748.

It is an arithmetic number, because the mean of its divisors is an integer number (1440343646).

Almost surely, 2^12345802620 is an apocalyptic number.

12345802620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12345802620 is an abundant number, since it is smaller than the sum of its proper divisors (22222444884).

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

12345802620 is a wasteful number, since it uses less digits than its factorization.

12345802620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205763389 (or 205763387 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 12345802620 in words is "twelve billion, three hundred forty-five million, eight hundred two thousand, six hundred twenty".