212704407212 has 48 divisors (see below), whose sum is σ = 409258289664. Its totient is φ = 95927496000.

The previous prime is 212704407197. The next prime is 212704407239.

212704407212 is nontrivially palindromic in base 10.

212704407212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212704407212² (a number of 23 digits) contains 22 as substring.

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 in 15 ways as a sum of consecutive naturals, for example, 3709037 + ... + 3765947.

It is an arithmetic number, because the mean of its divisors is an integer number (8526214368).

Almost surely, 2^212704407212 is an apocalyptic number.

212704407212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212704407212 is a deficient number, since it is larger than the sum of its proper divisors (196553882452).

212704407212 is a wasteful number, since it uses less digits than its factorization.

212704407212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57590 (or 57588 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

It can be divided in two parts, 212704 and 407212, that added together give a palindrome (619916).

The spelling of 212704407212 in words is "two hundred twelve billion, seven hundred four million, four hundred seven thousand, two hundred twelve".