2012022221122 has 8 divisors (see below), whose sum is σ = 3018039693372. Its totient is φ = 1006008990000.

The previous prime is 2012022221119. The next prime is 2012022221171. The reversal of 2012022221122 is 2211222202102.

It can be written as a sum of positive squares in 2 ways, for example, as 2011798987641 + 223233481 = 1418379^2 + 14941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2012022221122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730972 + ... + 2135032.

Almost surely, 2^{2012022221122} is an apocalyptic number.

2012022221122 is a deficient number, since it is larger than the sum of its proper divisors (1006017472250).

2012022221122 is a wasteful number, since it uses less digits than its factorization.

2012022221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120564.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2012022221122 its reverse (2211222202102), we get a palindrome (4223244423224).

The spelling of 2012022221122 in words is "two trillion, twelve billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".