12801385072 has 20 divisors (see below), whose sum is σ = 28345924336. Its totient is φ = 5486307840.

The previous prime is 12801385063. The next prime is 12801385073. The reversal of 12801385072 is 27058310821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12801385073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57148929 + ... + 57149152.

Almost surely, 2^12801385072 is an apocalyptic number.

It is an amenable number.

12801385072 is an abundant number, since it is smaller than the sum of its proper divisors (15544539264).

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

12801385072 is a wasteful number, since it uses less digits than its factorization.

12801385072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114298096 (or 114298090 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

Adding to 12801385072 its reverse (27058310821), we get a palindrome (39859695893).

The spelling of 12801385072 in words is "twelve billion, eight hundred one million, three hundred eighty-five thousand, seventy-two".