12988061790 has 64 divisors (see below), whose sum is σ = 34063545600. Its totient is φ = 3143210240.

The previous prime is 12988061767. The next prime is 12988061833. The reversal of 12988061790 is 9716088921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160186 + ... + 227234.

It is an arithmetic number, because the mean of its divisors is an integer number (532242900).

Almost surely, 2^12988061790 is an apocalyptic number.

12988061790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12988061790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17031772800).

12988061790 is an abundant number, since it is smaller than the sum of its proper divisors (21075483810).

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

12988061790 is a wasteful number, since it uses less digits than its factorization.

12988061790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67657.

The product of its (nonzero) digits is 435456, while the sum is 51.

The spelling of 12988061790 in words is "twelve billion, nine hundred eighty-eight million, sixty-one thousand, seven hundred ninety".