12510103040 has 80 divisors (see below), whose sum is σ = 30561200208. Its totient is φ = 4909572096.

The previous prime is 12510103003. The next prime is 12510103117. The reversal of 12510103040 is 4030101521.

It is a tau number, because it is divible by the number of its divisors (80).

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, 89579 + ... + 181781.

Almost surely, 2^12510103040 is an apocalyptic number.

12510103040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12510103040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15280600104).

12510103040 is an abundant number, since it is smaller than the sum of its proper divisors (18051097168).

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

12510103040 is an frugal number, since it uses more digits than its factorization.

12510103040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92279 (or 92263 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 12510103040 its reverse (4030101521), we get a palindrome (16540204561).

The spelling of 12510103040 in words is "twelve billion, five hundred ten million, one hundred three thousand, forty".