12998103240 has 32 divisors (see below), whose sum is σ = 38994310080. Its totient is φ = 3466160832.

The previous prime is 12998103233. The next prime is 12998103241. The reversal of 12998103240 is 4230189921.

It is not an unprimeable number, because it can be changed into a prime (12998103241) 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, 54158644 + ... + 54158883.

It is an arithmetic number, because the mean of its divisors is an integer number (1218572190).

Almost surely, 2^12998103240 is an apocalyptic number.

12998103240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12998103240 is an abundant number, since it is smaller than the sum of its proper divisors (25996206840).

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

12998103240 is a wasteful number, since it uses less digits than its factorization.

12998103240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108317541 (or 108317537 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 12998103240 in words is "twelve billion, nine hundred ninety-eight million, one hundred three thousand, two hundred forty".