212112021002 has 32 divisors (see below), whose sum is σ = 388979273088. Its totient is φ = 84675741696.

The previous prime is 212112020987. The next prime is 212112021013. The reversal of 212112021002 is 200120211212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4570868 + ... + 4617039.

It is an arithmetic number, because the mean of its divisors is an integer number (12155602284).

Almost surely, 2^212112021002 is an apocalyptic number.

212112021002 is a deficient number, since it is larger than the sum of its proper divisors (176867252086).

212112021002 is a wasteful number, since it uses less digits than its factorization.

212112021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9188030.

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

Adding to 212112021002 its reverse (200120211212), we get a palindrome (412232232214).

The spelling of 212112021002 in words is "two hundred twelve billion, one hundred twelve million, twenty-one thousand, two".