5201223012 has 72 divisors (see below), whose sum is σ = 13323229920. Its totient is φ = 1710656640.

The previous prime is 5201222989. The next prime is 5201223037. The reversal of 5201223012 is 2103221025.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1828063 + ... + 1830905.

It is an arithmetic number, because the mean of its divisors is an integer number (185044860).

Almost surely, 2^5201223012 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 5201223012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6661614960).

5201223012 is an abundant number, since it is smaller than the sum of its proper divisors (8122006908).

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

5201223012 is a wasteful number, since it uses less digits than its factorization.

5201223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513 (or 3508 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 5201223012 is about 72119.5050731770. The cubic root of 5201223012 is about 1732.6140232170.

Adding to 5201223012 its reverse (2103221025), we get a palindrome (7304444037).

The spelling of 5201223012 in words is "five billion, two hundred one million, two hundred twenty-three thousand, twelve".