12387022210 has 16 divisors (see below), whose sum is σ = 22383401976. Its totient is φ = 4935528448.

The previous prime is 12387022201. The next prime is 12387022237. The reversal of 12387022210 is 1222078321.

It is a Cunningham number, because it is equal to 111297²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 12387022209 + 1 = 111297^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2407357 + ... + 2412496.

Almost surely, 2^12387022210 is an apocalyptic number.

12387022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12387022210 is a deficient number, since it is larger than the sum of its proper divisors (9996379766).

12387022210 is a wasteful number, since it uses less digits than its factorization.

12387022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820117.

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 12387022210 in words is "twelve billion, three hundred eighty-seven million, twenty-two thousand, two hundred ten".