41251221200 has 120 divisors (see below), whose sum is σ = 113593152192. Its totient is φ = 14102184960.

The previous prime is 41251221199. The next prime is 41251221217. The reversal of 41251221200 is 212215214.

41251221200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 950372 + ... + 992828.

Almost surely, 2^41251221200 is an apocalyptic number.

41251221200 is a gapful number since it is divisible by the number (40) 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 41251221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56796576096).

41251221200 is an abundant number, since it is smaller than the sum of its proper divisors (72341930992).

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

41251221200 is a wasteful number, since it uses less digits than its factorization.

41251221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42829 (or 42818 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 41251221200 its reverse (212215214), we get a palindrome (41463436414).

The spelling of 41251221200 in words is "forty-one billion, two hundred fifty-one million, two hundred twenty-one thousand, two hundred".