12255555030 has 32 divisors (see below), whose sum is σ = 30039151104. Its totient is φ = 3198612576.

The previous prime is 12255555023. The next prime is 12255555041. The reversal of 12255555030 is 3055555221.

It is a junction number, because it is equal to n+sod(n) for n = 12255554982 and 12255555000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4344532 + ... + 4347351.

It is an arithmetic number, because the mean of its divisors is an integer number (938723472).

Almost surely, 2^12255555030 is an apocalyptic number.

12255555030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12255555030 is an abundant number, since it is smaller than the sum of its proper divisors (17783596074).

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

12255555030 is a wasteful number, since it uses less digits than its factorization.

12255555030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8691940.

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 12255555030 in words is "twelve billion, two hundred fifty-five million, five hundred fifty-five thousand, thirty".