12189862690 has 32 divisors (see below), whose sum is σ = 22987069056. Its totient is φ = 4645344000.

The previous prime is 12189862679. The next prime is 12189862703. The reversal of 12189862690 is 9626898121.

It is a super-2 number, since 2×12189862690² (a number of 21 digits) contains 22 as substring.

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, 47847 + ... + 163306.

It is an arithmetic number, because the mean of its divisors is an integer number (718345908).

Almost surely, 2^12189862690 is an apocalyptic number.

12189862690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12189862690 is a deficient number, since it is larger than the sum of its proper divisors (10797206366).

12189862690 is a wasteful number, since it uses less digits than its factorization.

12189862690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211434.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 12189862690 in words is "twelve billion, one hundred eighty-nine million, eight hundred sixty-two thousand, six hundred ninety".