51120223222430 has 16 divisors (see below), whose sum is σ = 92031786693504. Its totient is φ = 20444670423840.

The previous prime is 51120223222417. The next prime is 51120223222433. The reversal of 51120223222430 is 3422232202115.

It is a super-2 number, since 2×51120223222430² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51120223222393 and 51120223222402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51120223222433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427295342 + ... + 427414961.

It is an arithmetic number, because the mean of its divisors is an integer number (5751986668344).

Almost surely, 2^{51120223222430} is an apocalyptic number.

51120223222430 is a deficient number, since it is larger than the sum of its proper divisors (40911563471074).

51120223222430 is a wasteful number, since it uses less digits than its factorization.

51120223222430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854716291.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 51120223222430 its reverse (3422232202115), we get a palindrome (54542455424545).

The spelling of 51120223222430 in words is "fifty-one trillion, one hundred twenty billion, two hundred twenty-three million, two hundred twenty-two thousand, four hundred thirty".