5012220021 has 4 divisors (see below), whose sum is σ = 6682960032. Its totient is φ = 3341480012.

The previous prime is 5012220011. The next prime is 5012220061. The reversal of 5012220021 is 1200222105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5012220021 - 2⁶ = 5012219957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5012220011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835370001 + ... + 835370006.

It is an arithmetic number, because the mean of its divisors is an integer number (1670740008).

Almost surely, 2^5012220021 is an apocalyptic number.

It is an amenable number.

5012220021 is a deficient number, since it is larger than the sum of its proper divisors (1670740011).

5012220021 is a wasteful number, since it uses less digits than its factorization.

5012220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670740010.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 5012220021 is about 70797.0339844827. The cubic root of 5012220021 is about 1711.3678761299.

Adding to 5012220021 its reverse (1200222105), we get a palindrome (6212442126).

The spelling of 5012220021 in words is "five billion, twelve million, two hundred twenty thousand, twenty-one".