101225212 has 24 divisors (see below), whose sum is σ = 194855472. Its totient is φ = 46009040.

The previous prime is 101225209. The next prime is 101225233. The reversal of 101225212 is 212522101.

It is a happy number.

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, 4183 + ... + 14830.

It is an arithmetic number, because the mean of its divisors is an integer number (8118978).

Almost surely, 2^101225212 is an apocalyptic number.

It is an amenable number.

101225212 is a deficient number, since it is larger than the sum of its proper divisors (93630260).

101225212 is a wasteful number, since it uses less digits than its factorization.

101225212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19050 (or 19026 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 101225212 is about 10061.0740977293. The cubic root of 101225212 is about 466.0468371940.

Adding to 101225212 its reverse (212522101), we get a palindrome (313747313).

The spelling of 101225212 in words is "one hundred one million, two hundred twenty-five thousand, two hundred twelve".