30232203012021 has 4 divisors (see below), whose sum is σ = 40309604016032. Its totient is φ = 20154802008012.

The previous prime is 30232203012007. The next prime is 30232203012059. The reversal of 30232203012021 is 12021030223203.

It is a happy number.

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 not a de Polignac number, because 30232203012021 - 2¹⁹ = 30232202487733 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 (30232203012521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5038700502001 + ... + 5038700502006.

It is an arithmetic number, because the mean of its divisors is an integer number (10077401004008).

Almost surely, 2^{30232203012021} is an apocalyptic number.

It is an amenable number.

30232203012021 is a deficient number, since it is larger than the sum of its proper divisors (10077401004011).

30232203012021 is a wasteful number, since it uses less digits than its factorization.

30232203012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077401004010.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30232203012021 its reverse (12021030223203), we get a palindrome (42253233235224).

The spelling of 30232203012021 in words is "thirty trillion, two hundred thirty-two billion, two hundred three million, twelve thousand, twenty-one".