101212112 has 10 divisors (see below), whose sum is σ = 196098498. Its totient is φ = 50606048.

The previous prime is 101212087. The next prime is 101212127. The reversal of 101212112 is 211212101.

It can be written as a sum of positive squares in only one way, i.e., 100080016 + 1132096 = 10004^2 + 1064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101212093 and 101212102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3162863 + ... + 3162894.

Almost surely, 2^101212112 is an apocalyptic number.

It is an amenable number.

101212112 is a deficient number, since it is larger than the sum of its proper divisors (94886386).

101212112 is an equidigital number, since it uses as much as digits as its factorization.

101212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325765 (or 6325759 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 101212112 is about 10060.4230527349. The cubic root of 101212112 is about 466.0267319361.

Subtracting from 101212112 its sum of digits (11), we obtain a palindrome (101212101).

Adding to 101212112 its reverse (211212101), we get a palindrome (312424213).

The spelling of 101212112 in words is "one hundred one million, two hundred twelve thousand, one hundred twelve".