1214402243312 has 20 divisors (see below), whose sum is σ = 2361850758960. Its totient is φ = 604892370048.

The previous prime is 1214402243311. The next prime is 1214402243323. The reversal of 1214402243312 is 2133422044121.

It is a super-2 number, since 2×1214402243312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214402243311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144292637 + ... + 144301052.

It is an arithmetic number, because the mean of its divisors is an integer number (118092537948).

Almost surely, 2^{1214402243312} is an apocalyptic number.

It is an amenable number.

1214402243312 is a deficient number, since it is larger than the sum of its proper divisors (1147448515648).

1214402243312 is a wasteful number, since it uses less digits than its factorization.

1214402243312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288593960 (or 288593954 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1214402243312 its reverse (2133422044121), we get a palindrome (3347824287433).

The spelling of 1214402243312 in words is "one trillion, two hundred fourteen billion, four hundred two million, two hundred forty-three thousand, three hundred twelve".