1002202212212 has 12 divisors (see below), whose sum is σ = 1801255327620. Its totient is φ = 487557832896.

The previous prime is 1002202212211. The next prime is 1002202212223. The reversal of 1002202212212 is 2122122022001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 758160284176 + 244041928036 = 870724^2 + 494006^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002202212211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3385818137 + ... + 3385818432.

It is an arithmetic number, because the mean of its divisors is an integer number (150104610635).

Almost surely, 2^{1002202212212} is an apocalyptic number.

It is an amenable number.

1002202212212 is a deficient number, since it is larger than the sum of its proper divisors (799053115408).

1002202212212 is a wasteful number, since it uses less digits than its factorization.

1002202212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771636610 (or 6771636608 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1002202212212 its reverse (2122122022001), we get a palindrome (3124324234213).

The spelling of 1002202212212 in words is "one trillion, two billion, two hundred two million, two hundred twelve thousand, two hundred twelve".