51032020412 has 24 divisors (see below), whose sum is σ = 89997299280. Its totient is φ = 25318949760.

The previous prime is 51032020411. The next prime is 51032020471. The reversal of 51032020412 is 21402023015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51032020411) 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 7 ways as a sum of consecutive naturals, for example, 409112 + ... + 519072.

It is an arithmetic number, because the mean of its divisors is an integer number (3749887470).

Almost surely, 2^51032020412 is an apocalyptic number.

It is an amenable number.

51032020412 is a deficient number, since it is larger than the sum of its proper divisors (38965278868).

51032020412 is a wasteful number, since it uses less digits than its factorization.

51032020412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110861 (or 110859 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 51032020412 its reverse (21402023015), we get a palindrome (72434043427).

The spelling of 51032020412 in words is "fifty-one billion, thirty-two million, twenty thousand, four hundred twelve".