2012122220000 has 120 divisors (see below), whose sum is σ = 5065243771896. Its totient is φ = 786131136000.

The previous prime is 2012122219931. The next prime is 2012122220071. The reversal of 2012122220000 is 222212102.

It is a congruent number.

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, 309839 + ... + 2029838.

Almost surely, 2^{2012122220000} is an apocalyptic number.

2012122220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012122220000 is an abundant number, since it is smaller than the sum of its proper divisors (3053121551896).

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

2012122220000 is an equidigital number, since it uses as much as digits as its factorization.

2012122220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339750 (or 2339727 counting only the distinct ones).

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

Adding to 2012122220000 its reverse (222212102), we get a palindrome (2012344432102).

The spelling of 2012122220000 in words is "two trillion, twelve billion, one hundred twenty-two million, two hundred twenty thousand".