2220021002212 has 18 divisors (see below), whose sum is σ = 4206874119378. Its totient is φ = 1024625077632.

The previous prime is 2220021002209. The next prime is 2220021002239. The reversal of 2220021002212 is 2122001200222.

It can be written as a sum of positive squares in 3 ways, for example, as 44059689216 + 2175961312996 = 209904^2 + 1475114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1642026693 + ... + 1642028044.

Almost surely, 2^{2220021002212} is an apocalyptic number.

It is an amenable number.

2220021002212 is a deficient number, since it is larger than the sum of its proper divisors (1986853117166).

2220021002212 is a wasteful number, since it uses less digits than its factorization.

2220021002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284054767 (or 3284054752 counting only the distinct ones).

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

Adding to 2220021002212 its reverse (2122001200222), we get a palindrome (4342022202434).

The spelling of 2220021002212 in words is "two trillion, two hundred twenty billion, twenty-one million, two thousand, two hundred twelve".