2220021120012 has 12 divisors (see below), whose sum is σ = 5180049280056. Its totient is φ = 740007040000.

The previous prime is 2220021120011. The next prime is 2220021120059. The reversal of 2220021120012 is 2100211200222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2220021119973 and 2220021120000.

It is not an unprimeable number, because it can be changed into a prime (2220021120011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92500879989 + ... + 92500880012.

It is an arithmetic number, because the mean of its divisors is an integer number (431670773338).

Almost surely, 2^{2220021120012} is an apocalyptic number.

It is an amenable number.

2220021120012 is an abundant number, since it is smaller than the sum of its proper divisors (2960028160044).

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

2220021120012 is a wasteful number, since it uses less digits than its factorization.

2220021120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185001760008 (or 185001760006 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220021120012 its reverse (2100211200222), we get a palindrome (4320232320234).

The spelling of 2220021120012 in words is "two trillion, two hundred twenty billion, twenty-one million, one hundred twenty thousand, twelve".