30221023123213 has 16 divisors (see below), whose sum is σ = 33005185710336. Its totient is φ = 27502524564480.

The previous prime is 30221023123211. The next prime is 30221023123259. The reversal of 30221023123213 is 31232132012203.

It is a cyclic number.

It is not a de Polignac number, because 30221023123213 - 2¹ = 30221023123211 is a prime.

It is a super-2 number, since 2×30221023123213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221023123211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28595181 + ... + 29633197.

It is an arithmetic number, because the mean of its divisors is an integer number (2062824106896).

Almost surely, 2^{30221023123213} is an apocalyptic number.

It is an amenable number.

30221023123213 is a deficient number, since it is larger than the sum of its proper divisors (2784162587123).

30221023123213 is a wasteful number, since it uses less digits than its factorization.

30221023123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069644.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 30221023123213 its reverse (31232132012203), we get a palindrome (61453155135416).

The spelling of 30221023123213 in words is "thirty trillion, two hundred twenty-one billion, twenty-three million, one hundred twenty-three thousand, two hundred thirteen".