12202516 has 18 divisors (see below), whose sum is σ = 21834218. Its totient is φ = 5967120.

The previous prime is 12202507. The next prime is 12202529. The reversal of 12202516 is 61520221.

It can be written as a sum of positive squares in only one way, i.e., 10214416 + 1988100 = 3196^2 + 1410^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12202493 and 12202502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8146 + ... + 9526.

Almost surely, 2^12202516 is an apocalyptic number.

It is an amenable number.

12202516 is a deficient number, since it is larger than the sum of its proper divisors (9631702).

12202516 is a wasteful number, since it uses less digits than its factorization.

12202516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12202516 is about 3493.2099850997. The cubic root of 12202516 is about 230.2235759190.

Adding to 12202516 its reverse (61520221), we get a palindrome (73722737).

The spelling of 12202516 in words is "twelve million, two hundred two thousand, five hundred sixteen".