12034021220 has 48 divisors (see below), whose sum is σ = 27248954880. Its totient is φ = 4437853056.

The previous prime is 12034021193. The next prime is 12034021273. The reversal of 12034021220 is 2212043021.

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, 185861 + ... + 242099.

It is an arithmetic number, because the mean of its divisors is an integer number (567686560).

Almost surely, 2^12034021220 is an apocalyptic number.

12034021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12034021220 is an abundant number, since it is smaller than the sum of its proper divisors (15214933660).

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

12034021220 is a wasteful number, since it uses less digits than its factorization.

12034021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57084 (or 57082 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12034021220 its reverse (2212043021), we get a palindrome (14246064241).

The spelling of 12034021220 in words is "twelve billion, thirty-four million, twenty-one thousand, two hundred twenty".