12100022021212 has 6 divisors (see below), whose sum is σ = 21175038537128. Its totient is φ = 6050011010604.

The previous prime is 12100022021203. The next prime is 12100022021221. The reversal of 12100022021212 is 21212022000121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12100022021203) and next prime (12100022021221).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512502752648 + ... + 1512502752655.

Almost surely, 2^{12100022021212} is an apocalyptic number.

It is an amenable number.

12100022021212 is a deficient number, since it is larger than the sum of its proper divisors (9075016515916).

12100022021212 is a wasteful number, since it uses less digits than its factorization.

12100022021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025005505307 (or 3025005505305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12100022021212 its reverse (21212022000121), we get a palindrome (33312044021333).

The spelling of 12100022021212 in words is "twelve trillion, one hundred billion, twenty-two million, twenty-one thousand, two hundred twelve".