212403323304212 has 24 divisors (see below), whose sum is σ = 372176481049632. Its totient is φ = 106067245471200.

The previous prime is 212403323304167. The next prime is 212403323304323.

212403323304212 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×212403323304212⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6808283 + ... + 21706205.

It is an arithmetic number, because the mean of its divisors is an integer number (15507353377068).

Almost surely, 2^{212403323304212} is an apocalyptic number.

It is an amenable number.

212403323304212 is a deficient number, since it is larger than the sum of its proper divisors (159773157745420).

212403323304212 is a wasteful number, since it uses less digits than its factorization.

212403323304212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14902439 (or 14902437 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

The spelling of 212403323304212 in words is "two hundred twelve trillion, four hundred three billion, three hundred twenty-three million, three hundred four thousand, two hundred twelve".