12081492870798 has 16 divisors (see below), whose sum is σ = 26021676952656. Its totient is φ = 3717382421760.

The previous prime is 12081492870793. The next prime is 12081492870817. The reversal of 12081492870798 is 89707829418021.

It is a happy number.

It is a super-3 number, since 3×12081492870798³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12081492870793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77445467043 + ... + 77445467198.

It is an arithmetic number, because the mean of its divisors is an integer number (1626354809541).

Almost surely, 2^{12081492870798} is an apocalyptic number.

12081492870798 is an abundant number, since it is smaller than the sum of its proper divisors (13940184081858).

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

12081492870798 is a wasteful number, since it uses less digits than its factorization.

12081492870798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154890934259.

The product of its (nonzero) digits is 32514048, while the sum is 66.

The spelling of 12081492870798 in words is "twelve trillion, eighty-one billion, four hundred ninety-two million, eight hundred seventy thousand, seven hundred ninety-eight".