12450503988 has 36 divisors (see below), whose sum is σ = 33893039908. Its totient is φ = 3830924160.

The previous prime is 12450503983. The next prime is 12450504089. The reversal of 12450503988 is 88930505421.

12450503988 is a `hidden beast` number, since 1 + 2 + 4 + 50 + 503 + 98 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7633866384 + 4816637604 = 87372^2 + 69402^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450503983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13301353 + ... + 13302288.

Almost surely, 2^12450503988 is an apocalyptic number.

12450503988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12450503988 is an abundant number, since it is smaller than the sum of its proper divisors (21442535920).

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

12450503988 is a wasteful number, since it uses less digits than its factorization.

12450503988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26603664 (or 26603659 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 12450503988 in words is "twelve billion, four hundred fifty million, five hundred three thousand, nine hundred eighty-eight".