12020012220220 has 48 divisors (see below), whose sum is σ = 25547648531328. Its totient is φ = 4749797821760.

The previous prime is 12020012220197. The next prime is 12020012220247. The reversal of 12020012220220 is 2202221002021.

It is a junction number, because it is equal to n+sod(n) for n = 12020012220194 and 12020012220203.

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, 29256015 + ... + 29664025.

It is an arithmetic number, because the mean of its divisors is an integer number (532242677736).

Almost surely, 2^{12020012220220} is an apocalyptic number.

12020012220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020012220220 is an abundant number, since it is smaller than the sum of its proper divisors (13527636311108).

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

12020012220220 is a wasteful number, since it uses less digits than its factorization.

12020012220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425850 (or 425848 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12020012220220 its reverse (2202221002021), we get a palindrome (14222233222241).

The spelling of 12020012220220 in words is "twelve trillion, twenty billion, twelve million, two hundred twenty thousand, two hundred twenty".