2202012221212 has 24 divisors (see below), whose sum is σ = 3857310147600. Its totient is φ = 1099924093440.

The previous prime is 2202012221161. The next prime is 2202012221219. The reversal of 2202012221212 is 2121222102022.

It is a self number, because there is not a number n which added to its sum of digits gives 2202012221212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202012221219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18783603 + ... + 18900469.

It is an arithmetic number, because the mean of its divisors is an integer number (160721256150).

Almost surely, 2^{2202012221212} is an apocalyptic number.

It is an amenable number.

2202012221212 is a deficient number, since it is larger than the sum of its proper divisors (1655297926388).

2202012221212 is a wasteful number, since it uses less digits than its factorization.

2202012221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121461 (or 121459 counting only the distinct ones).

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

Adding to 2202012221212 its reverse (2121222102022), we get a palindrome (4323234323234).

The spelling of 2202012221212 in words is "two trillion, two hundred two billion, twelve million, two hundred twenty-one thousand, two hundred twelve".