12031323030220 has 24 divisors (see below), whose sum is σ = 27209299776624. Its totient is φ = 4442334657216.

The previous prime is 12031323030149. The next prime is 12031323030229. The reversal of 12031323030220 is 2203032313021.

It is a junction number, because it is equal to n+sod(n) for n = 12031323030191 and 12031323030200.

It is not an unprimeable number, because it can be changed into a prime (12031323030229) 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, 23137159414 + ... + 23137159933.

It is an arithmetic number, because the mean of its divisors is an integer number (1133720824026).

Almost surely, 2^{12031323030220} is an apocalyptic number.

12031323030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031323030220 is an abundant number, since it is smaller than the sum of its proper divisors (15177976746404).

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

12031323030220 is a wasteful number, since it uses less digits than its factorization.

12031323030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46274319369 (or 46274319367 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12031323030220 its reverse (2203032313021), we get a palindrome (14234355343241).

The spelling of 12031323030220 in words is "twelve trillion, thirty-one billion, three hundred twenty-three million, thirty thousand, two hundred twenty".