34121055220 has 96 divisors (see below), whose sum is σ = 85549395456. Its totient is φ = 11177126400.

The previous prime is 34121055217. The next prime is 34121055337. The reversal of 34121055220 is 2255012143.

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, 3024390 + ... + 3035650.

It is an arithmetic number, because the mean of its divisors is an integer number (891139536).

Almost surely, 2^34121055220 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 34121055220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42774697728).

34121055220 is an abundant number, since it is smaller than the sum of its proper divisors (51428340236).

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

34121055220 is a wasteful number, since it uses less digits than its factorization.

34121055220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12241 (or 12239 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 34121055220 its reverse (2255012143), we get a palindrome (36376067363).

The spelling of 34121055220 in words is "thirty-four billion, one hundred twenty-one million, fifty-five thousand, two hundred twenty".