12519184220 has 12 divisors (see below), whose sum is σ = 26290286904. Its totient is φ = 5007673680.

The previous prime is 12519184213. The next prime is 12519184229. The reversal of 12519184220 is 2248191521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12519184229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312979586 + ... + 312979625.

It is an arithmetic number, because the mean of its divisors is an integer number (2190857242).

Almost surely, 2^12519184220 is an apocalyptic number.

12519184220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12519184220 is an abundant number, since it is smaller than the sum of its proper divisors (13771102684).

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

12519184220 is a wasteful number, since it uses less digits than its factorization.

12519184220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625959220 (or 625959218 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 12519184220 in words is "twelve billion, five hundred nineteen million, one hundred eighty-four thousand, two hundred twenty".