101223311212 has 6 divisors (see below), whose sum is σ = 177140794628. Its totient is φ = 50611655604.

The previous prime is 101223311183. The next prime is 101223311219. The reversal of 101223311212 is 212113322101.

101223311212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 101223311212.

It is not an unprimeable number, because it can be changed into a prime (101223311219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12652913898 + ... + 12652913905.

Almost surely, 2^101223311212 is an apocalyptic number.

It is an amenable number.

101223311212 is a deficient number, since it is larger than the sum of its proper divisors (75917483416).

101223311212 is a wasteful number, since it uses less digits than its factorization.

101223311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25305827807 (or 25305827805 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101223311212 its reverse (212113322101), we get a palindrome (313336633313).

The spelling of 101223311212 in words is "one hundred one billion, two hundred twenty-three million, three hundred eleven thousand, two hundred twelve".