12545442030 has 64 divisors (see below), whose sum is σ = 32857913088. Its totient is φ = 3040239360.

The previous prime is 12545442029. The next prime is 12545442061. The reversal of 12545442030 is 3024454521.

12545442030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1316242 + ... + 1325738.

It is an arithmetic number, because the mean of its divisors is an integer number (513404892).

Almost surely, 2^12545442030 is an apocalyptic number.

12545442030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12545442030 is an abundant number, since it is smaller than the sum of its proper divisors (20312471058).

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

12545442030 is a wasteful number, since it uses less digits than its factorization.

12545442030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13521.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 12545442030 its reverse (3024454521), we get a palindrome (15569896551).

The spelling of 12545442030 in words is "twelve billion, five hundred forty-five million, four hundred forty-two thousand, thirty".