30221212102013 has 4 divisors (see below), whose sum is σ = 30221237274108. Its totient is φ = 30221186929920.

The previous prime is 30221212101967. The next prime is 30221212102043. The reversal of 30221212102013 is 31020121212203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11580388582009 + 18640823520004 = 3402997^2 + 4317502^2 .

It is a cyclic number.

It is not a de Polignac number, because 30221212102013 - 2¹⁴ = 30221212085629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221212102043) 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, 10689956 + ... + 13218077.

It is an arithmetic number, because the mean of its divisors is an integer number (7555309318527).

Almost surely, 2^{30221212102013} is an apocalyptic number.

It is an amenable number.

30221212102013 is a deficient number, since it is larger than the sum of its proper divisors (25172095).

30221212102013 is a wasteful number, since it uses less digits than its factorization.

30221212102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25172094.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30221212102013 its reverse (31020121212203), we get a palindrome (61241333314216).

The spelling of 30221212102013 in words is "thirty trillion, two hundred twenty-one billion, two hundred twelve million, one hundred two thousand, thirteen".