12020120202220 has 48 divisors (see below), whose sum is σ = 28614699116640. Its totient is φ = 4204608846336.

The previous prime is 12020120202193. The next prime is 12020120202257. The reversal of 12020120202220 is 2220202102021.

It is a junction number, because it is equal to n+sod(n) for n = 12020120202194 and 12020120202203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216606417 + ... + 1216616296.

It is an arithmetic number, because the mean of its divisors is an integer number (596139564930).

Almost surely, 2^{12020120202220} is an apocalyptic number.

12020120202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020120202220 is an abundant number, since it is smaller than the sum of its proper divisors (16594578914420).

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

12020120202220 is a wasteful number, since it uses less digits than its factorization.

12020120202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433222754 (or 2433222752 counting only the distinct ones).

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

Adding to 12020120202220 its reverse (2220202102021), we get a palindrome (14240322304241).

The spelling of 12020120202220 in words is "twelve trillion, twenty billion, one hundred twenty million, two hundred two thousand, two hundred twenty".