31232103123212 has 12 divisors (see below), whose sum is σ = 54656798927136. Its totient is φ = 15615874858320.

The previous prime is 31232103123209. The next prime is 31232103123253. The reversal of 31232103123212 is 21232130123213.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43777739 + ... + 44485442.

It is an arithmetic number, because the mean of its divisors is an integer number (4554733243928).

Almost surely, 2^{31232103123212} is an apocalyptic number.

It is an amenable number.

31232103123212 is a deficient number, since it is larger than the sum of its proper divisors (23424695803924).

31232103123212 is a wasteful number, since it uses less digits than its factorization.

31232103123212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88351648 (or 88351646 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31232103123212 its reverse (21232130123213), we get a palindrome (52464233246425).

The spelling of 31232103123212 in words is "thirty-one trillion, two hundred thirty-two billion, one hundred three million, one hundred twenty-three thousand, two hundred twelve".