12215451450334 has 32 divisors (see below), whose sum is σ = 21053622620160. Its totient is φ = 5257078848000.

The previous prime is 12215451450269. The next prime is 12215451450337. The reversal of 12215451450334 is 43305415451221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12215451450337) 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, 8091267 + ... + 9481534.

It is an arithmetic number, because the mean of its divisors is an integer number (657925706880).

Almost surely, 2^{12215451450334} is an apocalyptic number.

12215451450334 is a deficient number, since it is larger than the sum of its proper divisors (8838171169826).

12215451450334 is a wasteful number, since it uses less digits than its factorization.

12215451450334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17574496.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 12215451450334 in words is "twelve trillion, two hundred fifteen billion, four hundred fifty-one million, four hundred fifty thousand, three hundred thirty-four".