12229889464704 has 128 divisors (see below), whose sum is σ = 33322797204480. Its totient is φ = 3971843133440.

The previous prime is 12229889464699. The next prime is 12229889464729. The reversal of 12229889464704 is 40746498892221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11175049 + ... + 12220535.

It is an arithmetic number, because the mean of its divisors is an integer number (260334353160).

Almost surely, 2^{12229889464704} 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 12229889464704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16661398602240).

12229889464704 is an abundant number, since it is smaller than the sum of its proper divisors (21092907739776).

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

12229889464704 is a wasteful number, since it uses less digits than its factorization.

12229889464704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046288 (or 1046276 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 66.

The spelling of 12229889464704 in words is "twelve trillion, two hundred twenty-nine billion, eight hundred eighty-nine million, four hundred sixty-four thousand, seven hundred four".