212351222153212 has 12 divisors (see below), whose sum is σ = 373981610990680. Its totient is φ = 105499333298736.

The previous prime is 212351222153197. The next prime is 212351222153233.

It is a happy number.

212351222153212 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169069443762 + ... + 169069445017.

Almost surely, 2^{212351222153212} is an apocalyptic number.

It is an amenable number.

212351222153212 is a deficient number, since it is larger than the sum of its proper divisors (161630388837468).

212351222153212 is a wasteful number, since it uses less digits than its factorization.

212351222153212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338138888940 (or 338138888938 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The spelling of 212351222153212 in words is "two hundred twelve trillion, three hundred fifty-one billion, two hundred twenty-two million, one hundred fifty-three thousand, two hundred twelve".