2202221201212 has 6 divisors (see below), whose sum is σ = 3853887102128. Its totient is φ = 1101110600604.

The previous prime is 2202221201129. The next prime is 2202221201221. The reversal of 2202221201212 is 2121021222022.

It is a self number, because there is not a number n which added to its sum of digits gives 2202221201212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275277650148 + ... + 275277650155.

Almost surely, 2^{2202221201212} is an apocalyptic number.

It is an amenable number.

2202221201212 is a deficient number, since it is larger than the sum of its proper divisors (1651665900916).

2202221201212 is a wasteful number, since it uses less digits than its factorization.

2202221201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550555300307 (or 550555300305 counting only the distinct ones).

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

Adding to 2202221201212 its reverse (2121021222022), we get a palindrome (4323242423234).

The spelling of 2202221201212 in words is "two trillion, two hundred two billion, two hundred twenty-one million, two hundred one thousand, two hundred twelve".