51232214000 has 160 divisors (see below), whose sum is σ = 135838752192. Its totient is φ = 18533760000.

The previous prime is 51232213997. The next prime is 51232214027. The reversal of 51232214000 is 41223215.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4328090 + ... + 4339910.

Almost surely, 2^51232214000 is an apocalyptic number.

51232214000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51232214000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67919376096).

51232214000 is an abundant number, since it is smaller than the sum of its proper divisors (84606538192).

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

51232214000 is a wasteful number, since it uses less digits than its factorization.

51232214000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12052 (or 12036 counting only the distinct ones).

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

Adding to 51232214000 its reverse (41223215), we get a palindrome (51273437215).

The spelling of 51232214000 in words is "fifty-one billion, two hundred thirty-two million, two hundred fourteen thousand".