12950519922 has 30 divisors (see below), whose sum is σ = 29022003549. Its totient is φ = 4316357160.

The previous prime is 12950519903. The next prime is 12950519927. The reversal of 12950519922 is 22991505921.

12950519922 is a `hidden beast` number, since 129 + 5 + 0 + 519 + 9 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12613760721 + 336759201 = 112311^2 + 18351^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=80469.

It is not an unprimeable number, because it can be changed into a prime (12950519927) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1443972 + ... + 1452912.

Almost surely, 2^12950519922 is an apocalyptic number.

12950519922 is an abundant number, since it is smaller than the sum of its proper divisors (16071483627).

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

12950519922 is an frugal number, since it uses more digits than its factorization.

12950519922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17896 (or 8946 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 45.

The spelling of 12950519922 in words is "twelve billion, nine hundred fifty million, five hundred nineteen thousand, nine hundred twenty-two".