12214243532145 has 64 divisors (see below), whose sum is σ = 20484852410880. Its totient is φ = 6202868170752.

The previous prime is 12214243532131. The next prime is 12214243532171. The reversal of 12214243532145 is 54123534241221.

It is not a de Polignac number, because 12214243532145 - 2⁴ = 12214243532129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72133941 + ... + 72303069.

It is an arithmetic number, because the mean of its divisors is an integer number (320075818920).

Almost surely, 2^{12214243532145} is an apocalyptic number.

12214243532145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12214243532145 is a deficient number, since it is larger than the sum of its proper divisors (8270608878735).

12214243532145 is a wasteful number, since it uses less digits than its factorization.

12214243532145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170106.

The product of its digits is 230400, while the sum is 39.

Adding to 12214243532145 its reverse (54123534241221), we get a palindrome (66337777773366).

The spelling of 12214243532145 in words is "twelve trillion, two hundred fourteen billion, two hundred forty-three million, five hundred thirty-two thousand, one hundred forty-five".