12181712303722 has 32 divisors (see below), whose sum is σ = 19779280476480. Its totient is φ = 5593508524800.

The previous prime is 12181712303707. The next prime is 12181712303723. The reversal of 12181712303722 is 22730321718121.

It is a super-2 number, since 2×12181712303722² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12181712303723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2410033 + ... + 5492875.

It is an arithmetic number, because the mean of its divisors is an integer number (618102514890).

Almost surely, 2^{12181712303722} is an apocalyptic number.

12181712303722 is a deficient number, since it is larger than the sum of its proper divisors (7597568172758).

12181712303722 is a wasteful number, since it uses less digits than its factorization.

12181712303722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083638.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 12181712303722 in words is "twelve trillion, one hundred eighty-one billion, seven hundred twelve million, three hundred three thousand, seven hundred twenty-two".