12023434444220 has 48 divisors (see below), whose sum is σ = 26794809121248. Its totient is φ = 4516251617280.

The previous prime is 12023434444213. The next prime is 12023434444247. The reversal of 12023434444220 is 2244443432021.

It is a congruent number.

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, 39762521 + ... + 40063760.

It is an arithmetic number, because the mean of its divisors is an integer number (558225190026).

Almost surely, 2^{12023434444220} is an apocalyptic number.

12023434444220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023434444220 is an abundant number, since it is smaller than the sum of its proper divisors (14771374677028).

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

12023434444220 is a wasteful number, since it uses less digits than its factorization.

12023434444220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79826750 (or 79826748 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 12023434444220 its reverse (2244443432021), we get a palindrome (14267877876241).

The spelling of 12023434444220 in words is "twelve trillion, twenty-three billion, four hundred thirty-four million, four hundred forty-four thousand, two hundred twenty".