12031213330020 has 48 divisors (see below), whose sum is σ = 35152066776960. Its totient is φ = 3068831225856.

The previous prime is 12031213330013. The next prime is 12031213330021. The reversal of 12031213330020 is 2003331213021.

12031213330020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12031213330021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4359133885 + ... + 4359136644.

It is an arithmetic number, because the mean of its divisors is an integer number (732334724520).

Almost surely, 2^{12031213330020} is an apocalyptic number.

12031213330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031213330020 is an abundant number, since it is smaller than the sum of its proper divisors (23120853446940).

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

12031213330020 is a wasteful number, since it uses less digits than its factorization.

12031213330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8718270564 (or 8718270562 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12031213330020 its reverse (2003331213021), we get a palindrome (14034544543041).

The spelling of 12031213330020 in words is "twelve trillion, thirty-one billion, two hundred thirteen million, three hundred thirty thousand, twenty".