250251212000 has 96 divisors (see below), whose sum is σ = 616809997440. Its totient is φ = 99784204800.

The previous prime is 250251211949. The next prime is 250251212087. The reversal of 250251212000 is 212152052.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 1169321 + ... + 1366679.

It is an arithmetic number, because the mean of its divisors is an integer number (6425104140).

Almost surely, 2^250251212000 is an apocalyptic number.

250251212000 is a gapful number since it is divisible by the number (20) 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 250251212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308404998720).

250251212000 is an abundant number, since it is smaller than the sum of its proper divisors (366558785440).

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

250251212000 is a wasteful number, since it uses less digits than its factorization.

250251212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197701 (or 197683 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 250251212000 its reverse (212152052), we get a palindrome (250463364052).

The spelling of 250251212000 in words is "two hundred fifty billion, two hundred fifty-one million, two hundred twelve thousand".