5121213222 has 32 divisors (see below), whose sum is σ = 10786608000. Its totient is φ = 1616459328.

The previous prime is 5121213221. The next prime is 5121213247. The reversal of 5121213222 is 2223121215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121213221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261529 + ... + 280427.

It is an arithmetic number, because the mean of its divisors is an integer number (337081500).

Almost surely, 2^5121213222 is an apocalyptic number.

5121213222 is an abundant number, since it is smaller than the sum of its proper divisors (5665394778).

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

5121213222 is a wasteful number, since it uses less digits than its factorization.

5121213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21300.

The product of its digits is 480, while the sum is 21.

The square root of 5121213222 is about 71562.6524242918. The cubic root of 5121213222 is about 1723.6838770847.

Adding to 5121213222 its reverse (2223121215), we get a palindrome (7344334437).

The spelling of 5121213222 in words is "five billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred twenty-two".