4215223012 has 144 divisors (see below), whose sum is σ = 10176509952. Its totient is φ = 1482848640.

The previous prime is 4215223007. The next prime is 4215223021. The reversal of 4215223012 is 2103225124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2445583 + ... + 2447305.

It is an arithmetic number, because the mean of its divisors is an integer number (70670208).

Almost surely, 2^4215223012 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 4215223012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5088254976).

4215223012 is an abundant number, since it is smaller than the sum of its proper divisors (5961286940).

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

4215223012 is a wasteful number, since it uses less digits than its factorization.

4215223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4215223012 is about 64924.7488404846. The cubic root of 4215223012 is about 1615.3756007035.

Adding to 4215223012 its reverse (2103225124), we get a palindrome (6318448136).

The spelling of 4215223012 in words is "four billion, two hundred fifteen million, two hundred twenty-three thousand, twelve".