1216010522 has 16 divisors (see below), whose sum is σ = 1840100352. Its totient is φ = 602652960.

The previous prime is 1216010519. The next prime is 1216010533. The reversal of 1216010522 is 2250106121.

It is a super-2 number, since 2×1216010522² = 2957363179229424968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1216010494 and 1216010503.

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, 443897 + ... + 446627.

It is an arithmetic number, because the mean of its divisors is an integer number (115006272).

Almost surely, 2^1216010522 is an apocalyptic number.

1216010522 is a deficient number, since it is larger than the sum of its proper divisors (624089830).

1216010522 is a wasteful number, since it uses less digits than its factorization.

1216010522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1216010522 is about 34871.3424175210. The cubic root of 1216010522 is about 1067.3637380898.

Adding to 1216010522 its reverse (2250106121), we get a palindrome (3466116643).

The spelling of 1216010522 in words is "one billion, two hundred sixteen million, ten thousand, five hundred twenty-two".