212243202342212 has 6 divisors (see below), whose sum is σ = 371425604098878. Its totient is φ = 106121601171104.

The previous prime is 212243202342211. The next prime is 212243202342217.

212243202342212 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 122118103098436 + 90125099243776 = 11050706^2 + 9493424^2 .

It is not an unprimeable number, because it can be changed into a prime (212243202342211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26530400292773 + ... + 26530400292780.

It is an arithmetic number, because the mean of its divisors is an integer number (61904267349813).

Almost surely, 2^{212243202342212} is an apocalyptic number.

It is an amenable number.

212243202342212 is a deficient number, since it is larger than the sum of its proper divisors (159182401756666).

212243202342212 is a wasteful number, since it uses less digits than its factorization.

212243202342212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53060800585557 (or 53060800585555 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

It can be divided in two parts, 21224320 and 2342212, that added together give a palindrome (23566532).

The spelling of 212243202342212 in words is "two hundred twelve trillion, two hundred forty-three billion, two hundred two million, three hundred forty-two thousand, two hundred twelve".