212423121324212 has 6 divisors (see below), whose sum is σ = 371740462317378. Its totient is φ = 106211560662104.

The previous prime is 212423121324191. The next prime is 212423121324221.

It is a happy number.

212423121324212 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 201771683892496 + 10651437431716 = 14204636^2 + 3263654^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26552890165523 + ... + 26552890165530.

It is an arithmetic number, because the mean of its divisors is an integer number (61956743719563).

Almost surely, 2^{212423121324212} is an apocalyptic number.

It is an amenable number.

212423121324212 is a deficient number, since it is larger than the sum of its proper divisors (159317340993166).

212423121324212 is a wasteful number, since it uses less digits than its factorization.

212423121324212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53105780331057 (or 53105780331055 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The spelling of 212423121324212 in words is "two hundred twelve trillion, four hundred twenty-three billion, one hundred twenty-one million, three hundred twenty-four thousand, two hundred twelve".