30121001213223 has 8 divisors (see below), whose sum is σ = 41907479948928. Its totient is φ = 19207594976504.

The previous prime is 30121001213203. The next prime is 30121001213239. The reversal of 30121001213223 is 32231210012103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30121001213223 - 2¹⁸ = 30121000951079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30121001213223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121001213203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218268124665 + ... + 218268124802.

It is an arithmetic number, because the mean of its divisors is an integer number (5238434993616).

Almost surely, 2^{30121001213223} is an apocalyptic number.

30121001213223 is a deficient number, since it is larger than the sum of its proper divisors (11786478735705).

30121001213223 is a wasteful number, since it uses less digits than its factorization.

30121001213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436536249493.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30121001213223 its reverse (32231210012103), we get a palindrome (62352211225326).

The spelling of 30121001213223 in words is "thirty trillion, one hundred twenty-one billion, one million, two hundred thirteen thousand, two hundred twenty-three".