12999220301788 has 24 divisors (see below), whose sum is σ = 25998523521152. Its totient is φ = 5571076647024.

The previous prime is 12999220301747. The next prime is 12999220301827. The reversal of 12999220301788 is 88710302299921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12107095 + ... + 13136977.

Almost surely, 2^{12999220301788} is an apocalyptic number.

It is an amenable number.

12999220301788 is an abundant number, since it is smaller than the sum of its proper divisors (12999303219364).

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

12999220301788 is a wasteful number, since it uses less digits than its factorization.

12999220301788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480681 (or 1480679 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 12999220301788 in words is "twelve trillion, nine hundred ninety-nine billion, two hundred twenty million, three hundred one thousand, seven hundred eighty-eight".