12190861416 has 64 divisors (see below), whose sum is σ = 30609000000. Its totient is φ = 4046086656.

The previous prime is 12190861349. The next prime is 12190861427. The reversal of 12190861416 is 61416809121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6813450 + ... + 6815238.

It is an arithmetic number, because the mean of its divisors is an integer number (478265625).

Almost surely, 2^12190861416 is an apocalyptic number.

It is an amenable number.

12190861416 is an abundant number, since it is smaller than the sum of its proper divisors (18418138584).

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

12190861416 is a wasteful number, since it uses less digits than its factorization.

12190861416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 12190861416 in words is "twelve billion, one hundred ninety million, eight hundred sixty-one thousand, four hundred sixteen".