30221013232312 has 24 divisors (see below), whose sum is σ = 65915730392760. Its totient is φ = 12951862813680.

The previous prime is 30221013232283. The next prime is 30221013232313. The reversal of 30221013232312 is 21323231012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221013232313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38547210364 + ... + 38547211147.

It is an arithmetic number, because the mean of its divisors is an integer number (2746488766365).

Almost surely, 2^{30221013232312} is an apocalyptic number.

It is an amenable number.

30221013232312 is an abundant number, since it is smaller than the sum of its proper divisors (35694717160448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30221013232312 is a wasteful number, since it uses less digits than its factorization.

30221013232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77094421531 (or 77094421520 counting only the distinct ones).

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

Adding to 30221013232312 its reverse (21323231012203), we get a palindrome (51544244244515).

The spelling of 30221013232312 in words is "thirty trillion, two hundred twenty-one billion, thirteen million, two hundred thirty-two thousand, three hundred twelve".