12199022480 has 20 divisors (see below), whose sum is σ = 28362727452. Its totient is φ = 4879608960.

The previous prime is 12199022461. The next prime is 12199022483. The reversal of 12199022480 is 8422099121.

It can be written as a sum of positive squares in 2 ways, for example, as 8574019216 + 3625003264 = 92596^2 + 60208^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×12199022480² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12199022483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76243811 + ... + 76243970.

Almost surely, 2^12199022480 is an apocalyptic number.

12199022480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12199022480 is an abundant number, since it is smaller than the sum of its proper divisors (16163704972).

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

12199022480 is a wasteful number, since it uses less digits than its factorization.

12199022480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152487794 (or 152487788 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 12199022480 in words is "twelve billion, one hundred ninety-nine million, twenty-two thousand, four hundred eighty".