1214021541504 has 64 divisors (see below), whose sum is σ = 3335942844000. Its totient is φ = 390719572992.

The previous prime is 1214021541487. The next prime is 1214021541529. The reversal of 1214021541504 is 4051451204121.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 54497734 + ... + 54520005.

Almost surely, 2^{1214021541504} is an apocalyptic number.

It is an amenable number.

1214021541504 is an abundant number, since it is smaller than the sum of its proper divisors (2121921302496).

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

1214021541504 is a wasteful number, since it uses less digits than its factorization.

1214021541504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109017785 (or 109017773 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 1214021541504 its reverse (4051451204121), we get a palindrome (5265472745625).

The spelling of 1214021541504 in words is "one trillion, two hundred fourteen billion, twenty-one million, five hundred forty-one thousand, five hundred four".