12865214264442 has 16 divisors (see below), whose sum is σ = 25730997311232. Its totient is φ = 4288309957760.

The previous prime is 12865214264411. The next prime is 12865214264443. The reversal of 12865214264442 is 24446241256821.

It is a super-2 number, since 2×12865214264442² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12865214264443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23404938 + ... + 23948309.

It is an arithmetic number, because the mean of its divisors is an integer number (1608187331952).

Almost surely, 2^{12865214264442} is an apocalyptic number.

12865214264442 is an abundant number, since it is smaller than the sum of its proper divisors (12865783046790).

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

12865214264442 is a wasteful number, since it uses less digits than its factorization.

12865214264442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47398533.

The product of its digits is 5898240, while the sum is 51.

The spelling of 12865214264442 in words is "twelve trillion, eight hundred sixty-five billion, two hundred fourteen million, two hundred sixty-four thousand, four hundred forty-two".