12022012223220 has 96 divisors (see below), whose sum is σ = 34238874894336. Its totient is φ = 3151167465600.

The previous prime is 12022012223159. The next prime is 12022012223239. The reversal of 12022012223220 is 2232221022021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2852884 + ... + 5673003.

It is an arithmetic number, because the mean of its divisors is an integer number (356654946816).

Almost surely, 2^{12022012223220} is an apocalyptic number.

12022012223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022012223220 is an abundant number, since it is smaller than the sum of its proper divisors (22216862671116).

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

12022012223220 is a wasteful number, since it uses less digits than its factorization.

12022012223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526301 (or 8526299 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12022012223220 its reverse (2232221022021), we get a palindrome (14254233245241).

The spelling of 12022012223220 in words is "twelve trillion, twenty-two billion, twelve million, two hundred twenty-three thousand, two hundred twenty".