51006100012 has 24 divisors (see below), whose sum is σ = 102086901504. Its totient is φ = 21843749712.

The previous prime is 51006100003. The next prime is 51006100021. The reversal of 51006100012 is 21000160015.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51006100003) and next prime (51006100021).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628018 + ... + 704569.

It is an arithmetic number, because the mean of its divisors is an integer number (4253620896).

Almost surely, 2^51006100012 is an apocalyptic number.

It is an amenable number.

51006100012 is an abundant number, since it is smaller than the sum of its proper divisors (51080801492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51006100012 is a wasteful number, since it uses less digits than its factorization.

51006100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333965 (or 1333963 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 51006100012 its reverse (21000160015), we get a palindrome (72006260027).

The spelling of 51006100012 in words is "fifty-one billion, six million, one hundred thousand, twelve".