12005220230340 has 48 divisors (see below), whose sum is σ = 33615217410432. Its totient is φ = 3201334845696.

The previous prime is 12005220230323. The next prime is 12005220230357. The reversal of 12005220230340 is 4303202250021.

12005220230340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12005220230323) and next prime (12005220230357).

It is a self number, because there is not a number n which added to its sum of digits gives 12005220230340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1651857 + ... + 5170983.

It is an arithmetic number, because the mean of its divisors is an integer number (700317029384).

Almost surely, 2^{12005220230340} is an apocalyptic number.

12005220230340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12005220230340 is an abundant number, since it is smaller than the sum of its proper divisors (21609997180092).

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

12005220230340 is a wasteful number, since it uses less digits than its factorization.

12005220230340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575996 (or 3575994 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 12005220230340 its reverse (4303202250021), we get a palindrome (16308422480361).

The spelling of 12005220230340 in words is "twelve trillion, five billion, two hundred twenty million, two hundred thirty thousand, three hundred forty".