51282812612 has 24 divisors (see below), whose sum is σ = 95749426080. Its totient is φ = 23948862080.

The previous prime is 51282812597. The next prime is 51282812617. The reversal of 51282812612 is 21621828215.

It is a happy number.

It is a super-3 number, since 3×51282812612³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51282812617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2869562 + ... + 2887377.

It is an arithmetic number, because the mean of its divisors is an integer number (3989559420).

Almost surely, 2^51282812612 is an apocalyptic number.

It is an amenable number.

51282812612 is a deficient number, since it is larger than the sum of its proper divisors (44466613468).

51282812612 is a wasteful number, since it uses less digits than its factorization.

51282812612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757091 (or 5757089 counting only the distinct ones).

The product of its digits is 30720, while the sum is 38.

The spelling of 51282812612 in words is "fifty-one billion, two hundred eighty-two million, eight hundred twelve thousand, six hundred twelve".