101223210212 has 12 divisors (see below), whose sum is σ = 177595994940. Its totient is φ = 50481497376.

The previous prime is 101223210203. The next prime is 101223210259. The reversal of 101223210212 is 212012322101.

It can be written as a sum of positive squares in 2 ways, for example, as 66633161956 + 34590048256 = 258134^2 + 185984^2 .

It is a super-2 number, since 2×101223210212² (a number of 23 digits) contains 22 as substring.

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, 32525183 + ... + 32528294.

It is an arithmetic number, because the mean of its divisors is an integer number (14799666245).

Almost surely, 2^101223210212 is an apocalyptic number.

It is an amenable number.

101223210212 is a deficient number, since it is larger than the sum of its proper divisors (76372784728).

101223210212 is a wasteful number, since it uses less digits than its factorization.

101223210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65053870 (or 65053868 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101223210212 its reverse (212012322101), we get a palindrome (313235532313).

The spelling of 101223210212 in words is "one hundred one billion, two hundred twenty-three million, two hundred ten thousand, two hundred twelve".