212052005516 has 12 divisors (see below), whose sum is σ = 399636472032. Its totient is φ = 97870156368.

The previous prime is 212052005447. The next prime is 212052005519. The reversal of 212052005516 is 615500250212.

It is not an unprimeable number, because it can be changed into a prime (212052005519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038961540 + ... + 2038961643.

It is an arithmetic number, because the mean of its divisors is an integer number (33303039336).

Almost surely, 2^212052005516 is an apocalyptic number.

212052005516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

212052005516 is a deficient number, since it is larger than the sum of its proper divisors (187584466516).

212052005516 is a wasteful number, since it uses less digits than its factorization.

212052005516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077923200 (or 4077923198 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 212052005516 its reverse (615500250212), we get a palindrome (827552255728).

The spelling of 212052005516 in words is "two hundred twelve billion, fifty-two million, five thousand, five hundred sixteen".