51233223140222 has 32 divisors (see below), whose sum is σ = 77484655049760. Its totient is φ = 25405683747840.

The previous prime is 51233223140221. The next prime is 51233223140249. The reversal of 51233223140222 is 22204132233215.

It is a happy number.

51233223140222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51233223140221) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1372753322 + ... + 1372790642.

It is an arithmetic number, because the mean of its divisors is an integer number (2421395470305).

Almost surely, 2^{51233223140222} is an apocalyptic number.

51233223140222 is a deficient number, since it is larger than the sum of its proper divisors (26251431909538).

51233223140222 is a wasteful number, since it uses less digits than its factorization.

51233223140222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46268.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 51233223140222 its reverse (22204132233215), we get a palindrome (73437355373437).

The spelling of 51233223140222 in words is "fifty-one trillion, two hundred thirty-three billion, two hundred twenty-three million, one hundred forty thousand, two hundred twenty-two".