12034220540 has 24 divisors (see below), whose sum is σ = 26370640800. Its totient is φ = 4604397248.

The previous prime is 12034220503. The next prime is 12034220621. The reversal of 12034220540 is 4502243021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13080215 + ... + 13081134.

It is an arithmetic number, because the mean of its divisors is an integer number (1098776700).

Almost surely, 2^12034220540 is an apocalyptic number.

12034220540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12034220540 is an abundant number, since it is smaller than the sum of its proper divisors (14336420260).

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

12034220540 is a wasteful number, since it uses less digits than its factorization.

12034220540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26161381 (or 26161379 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 12034220540 its reverse (4502243021), we get a palindrome (16536463561).

The spelling of 12034220540 in words is "twelve billion, thirty-four million, two hundred twenty thousand, five hundred forty".