2002211231212 has 6 divisors (see below), whose sum is σ = 3503869654628. Its totient is φ = 1001105615604.

The previous prime is 2002211231191. The next prime is 2002211231213. The reversal of 2002211231212 is 2121321122002.

It is a self number, because there is not a number n which added to its sum of digits gives 2002211231212.

It is not an unprimeable number, because it can be changed into a prime (2002211231213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250276403898 + ... + 250276403905.

Almost surely, 2^{2002211231212} is an apocalyptic number.

It is an amenable number.

2002211231212 is a deficient number, since it is larger than the sum of its proper divisors (1501658423416).

2002211231212 is a wasteful number, since it uses less digits than its factorization.

2002211231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500552807807 (or 500552807805 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2002211231212 its reverse (2121321122002), we get a palindrome (4123532353214).

The spelling of 2002211231212 in words is "two trillion, two billion, two hundred eleven million, two hundred thirty-one thousand, two hundred twelve".