12545505030 has 16 divisors (see below), whose sum is σ = 30109212144. Its totient is φ = 3345468000.

The previous prime is 12545505023. The next prime is 12545505031. The reversal of 12545505030 is 3050554521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 418183501 = 12545505030 / (1 + 2 + 5 + 4 + 5 + 5 + 0 + 5 + 0 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12545505031) 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, 209091721 + ... + 209091780.

It is an arithmetic number, because the mean of its divisors is an integer number (1881825759).

Almost surely, 2^12545505030 is an apocalyptic number.

12545505030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12545505030 is an abundant number, since it is smaller than the sum of its proper divisors (17563707114).

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

12545505030 is a wasteful number, since it uses less digits than its factorization.

12545505030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418183511.

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 12545505030 in words is "twelve billion, five hundred forty-five million, five hundred five thousand, thirty".