212120110016 has 28 divisors (see below), whose sum is σ = 422270694192. Its totient is φ = 105721195008.

The previous prime is 212120110001. The next prime is 212120110043. The reversal of 212120110016 is 610011021212.

It is a junction number, because it is equal to n+sod(n) for n = 212120109976 and 212120110003.

It is a congruent number.

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, 5274500 + ... + 5314563.

Almost surely, 2^212120110016 is an apocalyptic number.

It is an amenable number.

212120110016 is a deficient number, since it is larger than the sum of its proper divisors (210150584176).

212120110016 is a wasteful number, since it uses less digits than its factorization.

212120110016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10589388 (or 10589378 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212120110016 its reverse (610011021212), we get a palindrome (822131131228).

The spelling of 212120110016 in words is "two hundred twelve billion, one hundred twenty million, one hundred ten thousand, sixteen".