10212223216516 has 12 divisors (see below), whose sum is σ = 17871731682588. Its totient is φ = 5106014164352.

The previous prime is 10212223216453. The next prime is 10212223216561. The reversal of 10212223216516 is 61561232221201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9931662314116 + 280560902400 = 3151454^2 + 529680^2 .

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, 24124921 + ... + 24544576.

It is an arithmetic number, because the mean of its divisors is an integer number (1489310973549).

Almost surely, 2^{10212223216516} is an apocalyptic number.

It is an amenable number.

10212223216516 is a deficient number, since it is larger than the sum of its proper divisors (7659508466072).

10212223216516 is a wasteful number, since it uses less digits than its factorization.

10212223216516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48721958 (or 48721956 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 10212223216516 its reverse (61561232221201), we get a palindrome (71773455437717).

The spelling of 10212223216516 in words is "ten trillion, two hundred twelve billion, two hundred twenty-three million, two hundred sixteen thousand, five hundred sixteen".