101222312 has 16 divisors (see below), whose sum is σ = 190132800. Its totient is φ = 50520240.

The previous prime is 101222309. The next prime is 101222339. The reversal of 101222312 is 213222101.

It is a happy number.

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, 6512 + ... + 15647.

It is an arithmetic number, because the mean of its divisors is an integer number (11883300).

Almost surely, 2^101222312 is an apocalyptic number.

It is an amenable number.

101222312 is a deficient number, since it is larger than the sum of its proper divisors (88910488).

101222312 is a wasteful number, since it uses less digits than its factorization.

101222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22736 (or 22732 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 101222312 is about 10060.9299768958. The cubic root of 101222312 is about 466.0423865612.

Adding to 101222312 its reverse (213222101), we get a palindrome (314444413).

The spelling of 101222312 in words is "one hundred one million, two hundred twenty-two thousand, three hundred twelve".