23231223012212 has 24 divisors (see below), whose sum is σ = 43408796899776. Its totient is φ = 10852199221248.

The previous prime is 23231223012199. The next prime is 23231223012223. The reversal of 23231223012212 is 21221032213232.

It is a super-2 number, since 2×23231223012212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2936197133 + ... + 2936205044.

It is an arithmetic number, because the mean of its divisors is an integer number (1808699870824).

Almost surely, 2^{23231223012212} is an apocalyptic number.

It is an amenable number.

23231223012212 is a deficient number, since it is larger than the sum of its proper divisors (20177573887564).

23231223012212 is a wasteful number, since it uses less digits than its factorization.

23231223012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872402247 (or 5872402245 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23231223012212 its reverse (21221032213232), we get a palindrome (44452255225444).

The spelling of 23231223012212 in words is "twenty-three trillion, two hundred thirty-one billion, two hundred twenty-three million, twelve thousand, two hundred twelve".