51422201011312 has 20 divisors (see below), whose sum is σ = 101033761144176. Its totient is φ = 25348972328960.

The previous prime is 51422201011303. The next prime is 51422201011367. The reversal of 51422201011312 is 21311010222415.

It is a super-2 number, since 2×51422201011312² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22633009873 + ... + 22633012144.

Almost surely, 2^{51422201011312} is an apocalyptic number.

It is an amenable number.

51422201011312 is a deficient number, since it is larger than the sum of its proper divisors (49611560132864).

51422201011312 is a wasteful number, since it uses less digits than its factorization.

51422201011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45266022096 (or 45266022090 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 51422201011312 its reverse (21311010222415), we get a palindrome (72733211233727).

The spelling of 51422201011312 in words is "fifty-one trillion, four hundred twenty-two billion, two hundred one million, eleven thousand, three hundred twelve".