12295645530 has 64 divisors (see below), whose sum is σ = 33803336448. Its totient is φ = 2803921920.

The previous prime is 12295645511. The next prime is 12295645543. The reversal of 12295645530 is 3554659221.

It is a happy number.

12295645530 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 (42).

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, 23320 + ... + 158540.

It is an arithmetic number, because the mean of its divisors is an integer number (528177132).

Almost surely, 2^12295645530 is an apocalyptic number.

12295645530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12295645530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16901668224).

12295645530 is an abundant number, since it is smaller than the sum of its proper divisors (21507690918).

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

12295645530 is a wasteful number, since it uses less digits than its factorization.

12295645530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135671.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 12295645530 in words is "twelve billion, two hundred ninety-five million, six hundred forty-five thousand, five hundred thirty".