34121222200 has 384 divisors, whose sum is σ = 95618880000. Its totient is φ = 11201034240.

The previous prime is 34121222153. The next prime is 34121222221. The reversal of 34121222200 is 222212143.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 67035546 + ... + 67036054.

It is an arithmetic number, because the mean of its divisors is an integer number (249007500).

Almost surely, 2^34121222200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34121222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47809440000).

34121222200 is an abundant number, since it is smaller than the sum of its proper divisors (61497657800).

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

34121222200 is a wasteful number, since it uses less digits than its factorization.

34121222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 34121222200 its reverse (222212143), we get a palindrome (34343434343).

The spelling of 34121222200 in words is "thirty-four billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred".