12189922510 has 32 divisors (see below), whose sum is σ = 22499389440. Its totient is φ = 4752551328.

The previous prime is 12189922499. The next prime is 12189922519. The reversal of 12189922510 is 1522998121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12189922519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176379 + ... + 235561.

It is an arithmetic number, because the mean of its divisors is an integer number (703105920).

Almost surely, 2^12189922510 is an apocalyptic number.

12189922510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12189922510 is a deficient number, since it is larger than the sum of its proper divisors (10309466930).

12189922510 is a wasteful number, since it uses less digits than its factorization.

12189922510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59712.

The product of its (nonzero) digits is 25920, while the sum is 40.

The spelling of 12189922510 in words is "twelve billion, one hundred eighty-nine million, nine hundred twenty-two thousand, five hundred ten".