8134322051220 has 192 divisors, whose sum is σ = 24041723166720. Its totient is φ = 2050818739200.

The previous prime is 8134322051209. The next prime is 8134322051239. The reversal of 8134322051220 is 221502234318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 416472855 + ... + 416492385.

It is an arithmetic number, because the mean of its divisors is an integer number (125217308160).

Almost surely, 2^{8134322051220} 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 8134322051220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12020861583360).

8134322051220 is an abundant number, since it is smaller than the sum of its proper divisors (15907401115500).

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

8134322051220 is a wasteful number, since it uses less digits than its factorization.

8134322051220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23046 (or 23044 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 8134322051220 its reverse (221502234318), we get a palindrome (8355824285538).

The spelling of 8134322051220 in words is "eight trillion, one hundred thirty-four billion, three hundred twenty-two million, fifty-one thousand, two hundred twenty".