212112100202002 has 128 divisors (see below), whose sum is σ = 445777828392960. Its totient is φ = 72965161463040.

The previous prime is 212112100201993. The next prime is 212112100202017. The reversal of 212112100202002 is 200202001211212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2461253749 + ... + 2461339927.

It is an arithmetic number, because the mean of its divisors is an integer number (3482639284320).

Almost surely, 2^{212112100202002} is an apocalyptic number.

212112100202002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212112100202002 is an abundant number, since it is smaller than the sum of its proper divisors (233665728190958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212112100202002 is a wasteful number, since it uses less digits than its factorization.

212112100202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139688.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212112100202002 its reverse (200202001211212), we get a palindrome (412314101413214).

The spelling of 212112100202002 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred million, two hundred two thousand, two".