12222012020000 has 120 divisors (see below), whose sum is σ = 30365690690412. Its totient is φ = 4840400000000.

The previous prime is 12222012019999. The next prime is 12222012020059. The reversal of 12222012020000 is 2021022221.

It can be written as a sum of positive squares in 10 ways, for example, as 1125305126416 + 11096706893584 = 1060804^2 + 3331172^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1005251 + ... + 5045250.

Almost surely, 2^{12222012020000} is an apocalyptic number.

12222012020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222012020000 is an abundant number, since it is smaller than the sum of its proper divisors (18143678670412).

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

12222012020000 is an equidigital number, since it uses as much as digits as its factorization.

12222012020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050632 (or 6050609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12222012020000 its reverse (2021022221), we get a palindrome (12224033042221).

The spelling of 12222012020000 in words is "twelve trillion, two hundred twenty-two billion, twelve million, twenty thousand".