12210991708 has 12 divisors (see below), whose sum is σ = 21580812792. Its totient is φ = 6045045200.

The previous prime is 12210991673. The next prime is 12210991739. The reversal of 12210991708 is 80719901221.

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, 15112210 + ... + 15113017.

It is an arithmetic number, because the mean of its divisors is an integer number (1798401066).

Almost surely, 2^12210991708 is an apocalyptic number.

It is an amenable number.

12210991708 is a deficient number, since it is larger than the sum of its proper divisors (9369821084).

12210991708 is a wasteful number, since it uses less digits than its factorization.

12210991708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30225332 (or 30225330 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 12210991708 in words is "twelve billion, two hundred ten million, nine hundred ninety-one thousand, seven hundred eight".