30231133313212 has 48 divisors (see below), whose sum is σ = 57020240471040. Its totient is φ = 13941523657152.

The previous prime is 30231133313209. The next prime is 30231133313243. The reversal of 30231133313212 is 21231333113203.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667051489 + ... + 667096807.

It is an arithmetic number, because the mean of its divisors is an integer number (1187921676480).

Almost surely, 2^{30231133313212} is an apocalyptic number.

It is an amenable number.

30231133313212 is a deficient number, since it is larger than the sum of its proper divisors (26789107157828).

30231133313212 is a wasteful number, since it uses less digits than its factorization.

30231133313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55450 (or 55448 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 30231133313212 its reverse (21231333113203), we get a palindrome (51462466426415).

The spelling of 30231133313212 in words is "thirty trillion, two hundred thirty-one billion, one hundred thirty-three million, three hundred thirteen thousand, two hundred twelve".