1202212112212 has 6 divisors (see below), whose sum is σ = 2103871196378. Its totient is φ = 601106056104.

The previous prime is 1202212112177. The next prime is 1202212112399. The reversal of 1202212112212 is 2122112122021.

It can be written as a sum of positive squares in only one way, i.e., 983500624656 + 218711487556 = 991716^2 + 467666^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1202212112212.

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, 150276514023 + ... + 150276514030.

Almost surely, 2^{1202212112212} is an apocalyptic number.

It is an amenable number.

1202212112212 is a deficient number, since it is larger than the sum of its proper divisors (901659084166).

1202212112212 is a wasteful number, since it uses less digits than its factorization.

1202212112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300553028057 (or 300553028055 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1202212112212 its reverse (2122112122021), we get a palindrome (3324324234233).

The spelling of 1202212112212 in words is "one trillion, two hundred two billion, two hundred twelve million, one hundred twelve thousand, two hundred twelve".