13320021210000 has 100 divisors (see below), whose sum is σ = 42998804565552. Its totient is φ = 3552005648000.

The previous prime is 13320021209927. The next prime is 13320021210017. The reversal of 13320021210000 is 1212002331.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 221970354 + ... + 222030353.

Almost surely, 2^{13320021210000} is an apocalyptic number.

13320021210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13320021210000 is an abundant number, since it is smaller than the sum of its proper divisors (29678783355552).

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

13320021210000 is an equidigital number, since it uses as much as digits as its factorization.

13320021210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444000738 (or 444000717 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13320021210000 its reverse (1212002331), we get a palindrome (13321233212331).

The spelling of 13320021210000 in words is "thirteen trillion, three hundred twenty billion, twenty-one million, two hundred ten thousand".