12196252640 has 96 divisors (see below), whose sum is σ = 33851061216. Its totient is φ = 4093839360.

The previous prime is 12196252637. The next prime is 12196252721. The reversal of 12196252640 is 4625269121.

It is a happy number.

12196252640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12196252594 and 12196252603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243647 + ... + 289406.

It is an arithmetic number, because the mean of its divisors is an integer number (352615221).

Almost surely, 2^12196252640 is an apocalyptic number.

12196252640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12196252640 is an abundant number, since it is smaller than the sum of its proper divisors (21654808576).

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

12196252640 is a wasteful number, since it uses less digits than its factorization.

12196252640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533092 (or 533084 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 12196252640 in words is "twelve billion, one hundred ninety-six million, two hundred fifty-two thousand, six hundred forty".