12015021142014 has 16 divisors (see below), whose sum is σ = 26214591582720. Its totient is φ = 3640915497560.

The previous prime is 12015021142009. The next prime is 12015021142073. The reversal of 12015021142014 is 41024112051021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91022887374 + ... + 91022887505.

It is an arithmetic number, because the mean of its divisors is an integer number (1638411973920).

Almost surely, 2^{12015021142014} is an apocalyptic number.

12015021142014 is an abundant number, since it is smaller than the sum of its proper divisors (14199570440706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12015021142014 is a wasteful number, since it uses less digits than its factorization.

12015021142014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182045774895.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 12015021142014 its reverse (41024112051021), we get a palindrome (53039133193035).

The spelling of 12015021142014 in words is "twelve trillion, fifteen billion, twenty-one million, one hundred forty-two thousand, fourteen".