212433012334 has 4 divisors (see below), whose sum is σ = 318649518504. Its totient is φ = 106216506166.

The previous prime is 212433012287. The next prime is 212433012347. The reversal of 212433012334 is 433210334212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×212433012334² (a number of 23 digits) contains 22 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 (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53108253082 + ... + 53108253085.

It is an arithmetic number, because the mean of its divisors is an integer number (79662379626).

Almost surely, 2^212433012334 is an apocalyptic number.

212433012334 is a deficient number, since it is larger than the sum of its proper divisors (106216506170).

212433012334 is a wasteful number, since it uses less digits than its factorization.

212433012334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106216506169.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 212433012334 its reverse (433210334212), we get a palindrome (645643346546).

The spelling of 212433012334 in words is "two hundred twelve billion, four hundred thirty-three million, twelve thousand, three hundred thirty-four".