1214521530999 has 16 divisors (see below), whose sum is σ = 1850715306240. Its totient is φ = 694006367040.

The previous prime is 1214521530923. The next prime is 1214521531007. The reversal of 1214521530999 is 9990351254121.

It is a happy number.

It is not a de Polignac number, because 1214521530999 - 2⁸ = 1214521530743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214521535999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3826707 + ... + 4131915.

It is an arithmetic number, because the mean of its divisors is an integer number (115669706640).

Almost surely, 2^{1214521530999} is an apocalyptic number.

1214521530999 is a deficient number, since it is larger than the sum of its proper divisors (636193775241).

1214521530999 is a wasteful number, since it uses less digits than its factorization.

1214521530999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494710.

The product of its (nonzero) digits is 874800, while the sum is 51.

The spelling of 1214521530999 in words is "one trillion, two hundred fourteen billion, five hundred twenty-one million, five hundred thirty thousand, nine hundred ninety-nine".