212120112002 has 4 divisors (see below), whose sum is σ = 318180168006. Its totient is φ = 106060056000.

The previous prime is 212120111993. The next prime is 212120112013. The reversal of 212120112002 is 200211021212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 147364622161 + 64755489841 = 383881^2 + 254471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53030027999 + ... + 53030028002.

Almost surely, 2^212120112002 is an apocalyptic number.

212120112002 is a deficient number, since it is larger than the sum of its proper divisors (106060056004).

212120112002 is a wasteful number, since it uses less digits than its factorization.

212120112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106060056003.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212120112002 its reverse (200211021212), we get a palindrome (412331133214).

The spelling of 212120112002 in words is "two hundred twelve billion, one hundred twenty million, one hundred twelve thousand, two".