1214001421344 has 72 divisors (see below), whose sum is σ = 3470391654912. Its totient is φ = 402548446080.

The previous prime is 1214001421327. The next prime is 1214001421351. The reversal of 1214001421344 is 4431241004121.

1214001421344 is a `hidden beast` number, since 1 + 2 + 1 + 400 + 1 + 4 + 213 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10979764 + ... + 11089779.

It is an arithmetic number, because the mean of its divisors is an integer number (48199884096).

Almost surely, 2^{1214001421344} is an apocalyptic number.

It is an amenable number.

1214001421344 is an abundant number, since it is smaller than the sum of its proper divisors (2256390233568).

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

1214001421344 is a wasteful number, since it uses less digits than its factorization.

1214001421344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22069750 (or 22069739 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1214001421344 its reverse (4431241004121), we get a palindrome (5645242425465).

The spelling of 1214001421344 in words is "one trillion, two hundred fourteen billion, one million, four hundred twenty-one thousand, three hundred forty-four".