10201216 has 16 divisors (see below), whose sum is σ = 20322990. Its totient is φ = 5100544.

The previous prime is 10201211. The next prime is 10201229. The reversal of 10201216 is 61210201.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 1201216 = 3000^2 + 1096^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 10201196 and 10201205.

It is not an unprimeable number, because it can be changed into a prime (10201211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39721 + ... + 39976.

Almost surely, 2^10201216 is an apocalyptic number.

10201216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10201216 is a deficient number, since it is larger than the sum of its proper divisors (10121774).

10201216 is an frugal number, since it uses more digits than its factorization.

10201216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79711 (or 79699 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 10201216 is about 3193.9342510453. The cubic root of 10201216 is about 216.8789062960.

Adding to 10201216 its reverse (61210201), we get a palindrome (71411417).

The spelling of 10201216 in words is "ten million, two hundred one thousand, two hundred sixteen".