12305440030 has 16 divisors (see below), whose sum is σ = 23853622464. Its totient is φ = 4543547040.

The previous prime is 12305439943. The next prime is 12305440033. The reversal of 12305440030 is 3004450321.

It is a junction number, because it is equal to n+sod(n) for n = 12305439983 and 12305440010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12305440033) 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, 47328486 + ... + 47328745.

It is an arithmetic number, because the mean of its divisors is an integer number (1490851404).

Almost surely, 2^12305440030 is an apocalyptic number.

12305440030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12305440030 is a deficient number, since it is larger than the sum of its proper divisors (11548182434).

12305440030 is a wasteful number, since it uses less digits than its factorization.

12305440030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94657251.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 12305440030 its reverse (3004450321), we get a palindrome (15309890351).

The spelling of 12305440030 in words is "twelve billion, three hundred five million, four hundred forty thousand, thirty".