212110051616 has 12 divisors (see below), whose sum is σ = 417591664182. Its totient is φ = 106055025792.

The previous prime is 212110051597. The next prime is 212110051627. The reversal of 212110051616 is 616150011212.

It can be written as a sum of positive squares in only one way, i.e., 163620250000 + 48489801616 = 404500^2 + 220204^2 .

It is a super-2 number, since 2×212110051616² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3314219525 + ... + 3314219588.

Almost surely, 2^212110051616 is an apocalyptic number.

It is an amenable number.

212110051616 is a deficient number, since it is larger than the sum of its proper divisors (205481612566).

212110051616 is an equidigital number, since it uses as much as digits as its factorization.

212110051616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628439123 (or 6628439115 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 212110051616 its reverse (616150011212), we get a palindrome (828260062828).

The spelling of 212110051616 in words is "two hundred twelve billion, one hundred ten million, fifty-one thousand, six hundred sixteen".