1214444243012 has 72 divisors (see below), whose sum is σ = 2904475109760. Its totient is φ = 436763154240.

The previous prime is 1214444243009. The next prime is 1214444243017. The reversal of 1214444243012 is 2103424444121.

It is a self number, because there is not a number n which added to its sum of digits gives 1214444243012.

It is not an unprimeable number, because it can be changed into a prime (1214444243017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21636812 + ... + 21692867.

It is an arithmetic number, because the mean of its divisors is an integer number (40339932080).

Almost surely, 2^{1214444243012} is an apocalyptic number.

It is an amenable number.

1214444243012 is an abundant number, since it is smaller than the sum of its proper divisors (1690030866748).

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

1214444243012 is a wasteful number, since it uses less digits than its factorization.

1214444243012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43329721 (or 43329712 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 1214444243012 its reverse (2103424444121), we get a palindrome (3317868687133).

The spelling of 1214444243012 in words is "one trillion, two hundred fourteen billion, four hundred forty-four million, two hundred forty-three thousand, twelve".