12190218712 has 16 divisors (see below), whose sum is σ = 26121897360. Its totient is φ = 5224379424.

The previous prime is 12190218697. The next prime is 12190218739. The reversal of 12190218712 is 21781209121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108841183 + ... + 108841294.

It is an arithmetic number, because the mean of its divisors is an integer number (1632618585).

Almost surely, 2^12190218712 is an apocalyptic number.

It is an amenable number.

12190218712 is an abundant number, since it is smaller than the sum of its proper divisors (13931678648).

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

12190218712 is a wasteful number, since it uses less digits than its factorization.

12190218712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217682490 (or 217682486 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 12190218712 in words is "twelve billion, one hundred ninety million, two hundred eighteen thousand, seven hundred twelve".