1214188017604 has 9 divisors (see below), whose sum is σ = 2124832887471. Its totient is φ = 607092906900.

The previous prime is 1214188017577. The next prime is 1214188017659. The reversal of 1214188017604 is 4067108814121.

The square root of 1214188017604 is 1101902.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1928329 + ... + 2479279.

Almost surely, 2^{1214188017604} is an apocalyptic number.

1214188017604 is the 1101902-nd square number.

It is an amenable number.

1214188017604 is a deficient number, since it is larger than the sum of its proper divisors (910644869867).

1214188017604 is an frugal number, since it uses more digits than its factorization.

1214188017604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101906 (or 550953 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 1214188017604 in words is "one trillion, two hundred fourteen billion, one hundred eighty-eight million, seventeen thousand, six hundred four".