51302222220123 has 16 divisors (see below), whose sum is σ = 86860905346560. Its totient is φ = 29315555554248.

The previous prime is 51302222220121. The next prime is 51302222220187. The reversal of 51302222220123 is 32102222220315.

51302222220123 is a `hidden beast` number, since 513 + 0 + 2 + 2 + 2 + 2 + 2 + 20 + 123 = 666.

It is not a de Polignac number, because 51302222220123 - 2¹ = 51302222220121 is a prime.

It is a super-2 number, since 2×51302222220123² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51302222220121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135720164415 + ... + 135720164792.

It is an arithmetic number, because the mean of its divisors is an integer number (5428806584160).

Almost surely, 2^{51302222220123} is an apocalyptic number.

51302222220123 is a deficient number, since it is larger than the sum of its proper divisors (35558683126437).

51302222220123 is a wasteful number, since it uses less digits than its factorization.

51302222220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271440329223 (or 271440329217 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 51302222220123 its reverse (32102222220315), we get a palindrome (83404444440438).

The spelling of 51302222220123 in words is "fifty-one trillion, three hundred two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty-three".