12550403028 has 24 divisors (see below), whose sum is σ = 29289437632. Its totient is φ = 4182729984.

The previous prime is 12550403027. The next prime is 12550403029. The reversal of 12550403028 is 82030405521.

It is an interprime number because it is at equal distance from previous prime (12550403027) and next prime (12550403029).

It is a junction number, because it is equal to n+sod(n) for n = 12550402986 and 12550403004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550403027) 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, 19000 + ... + 159567.

Almost surely, 2^12550403028 is an apocalyptic number.

It is an amenable number.

12550403028 is an abundant number, since it is smaller than the sum of its proper divisors (16739034604).

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

12550403028 is a wasteful number, since it uses less digits than its factorization.

12550403028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184431 (or 184429 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 12550403028 its reverse (82030405521), we get a palindrome (94580808549).

The spelling of 12550403028 in words is "twelve billion, five hundred fifty million, four hundred three thousand, twenty-eight".