13220001212032 has 128 divisors (see below), whose sum is σ = 27200101320000. Its totient is φ = 6396100239360.

The previous prime is 13220001211919. The next prime is 13220001212053. The reversal of 13220001212032 is 23021210002231.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×13220001212032² (a number of 27 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 463861719 + ... + 463890217.

Almost surely, 2^{13220001212032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13220001212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13600050660000).

13220001212032 is an abundant number, since it is smaller than the sum of its proper divisors (13980100107968).

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

13220001212032 is a wasteful number, since it uses less digits than its factorization.

13220001212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29274 (or 29262 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13220001212032 its reverse (23021210002231), we get a palindrome (36241211214263).

The spelling of 13220001212032 in words is "thirteen trillion, two hundred twenty billion, one million, two hundred twelve thousand, thirty-two".