212004340412 has 6 divisors (see below), whose sum is σ = 371007595728. Its totient is φ = 106002170204.

The previous prime is 212004340397. The next prime is 212004340417. The reversal of 212004340412 is 214043400212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212004340417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26500542548 + ... + 26500542555.

It is an arithmetic number, because the mean of its divisors is an integer number (61834599288).

Almost surely, 2^212004340412 is an apocalyptic number.

It is an amenable number.

212004340412 is a deficient number, since it is larger than the sum of its proper divisors (159003255316).

212004340412 is a wasteful number, since it uses less digits than its factorization.

212004340412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53001085107 (or 53001085105 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 212004340412 its reverse (214043400212), we get a palindrome (426047740624).

The spelling of 212004340412 in words is "two hundred twelve billion, four million, three hundred forty thousand, four hundred twelve".