12442018530 has 64 divisors (see below), whose sum is σ = 30783265920. Its totient is φ = 3216923136.

The previous prime is 12442018483. The next prime is 12442018543. The reversal of 12442018530 is 3581024421.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81064 + ... + 177356.

It is an arithmetic number, because the mean of its divisors is an integer number (480988530).

Almost surely, 2^12442018530 is an apocalyptic number.

12442018530 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 12442018530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15391632960).

12442018530 is an abundant number, since it is smaller than the sum of its proper divisors (18341247390).

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

12442018530 is a wasteful number, since it uses less digits than its factorization.

12442018530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96435.

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 12442018530 in words is "twelve billion, four hundred forty-two million, eighteen thousand, five hundred thirty".