12519632322 has 90 divisors (see below), whose sum is σ = 28729595433. Its totient is φ = 4074944976.

The previous prime is 12519632299. The next prime is 12519632353. The reversal of 12519632322 is 22323691521.

12519632322 is a `hidden beast` number, since 1 + 2 + 5 + 19 + 632 + 3 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10286219241 + 2233413081 = 101421^2 + 47259^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=79119.

It is a super-2 number, since 2×12519632322² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 84024304 + ... + 84024452.

Almost surely, 2^12519632322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12519632322

12519632322 is an abundant number, since it is smaller than the sum of its proper divisors (16209963111).

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

12519632322 is an frugal number, since it uses more digits than its factorization.

12519632322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 213 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The spelling of 12519632322 in words is "twelve billion, five hundred nineteen million, six hundred thirty-two thousand, three hundred twenty-two".