212112120000002 has 4 divisors (see below), whose sum is σ = 318168180000006. Its totient is φ = 106056060000000.

The previous prime is 212112119999893. The next prime is 212112120000013. The reversal of 212112120000002 is 200000021211212.

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., 207008817615601 + 5103302384401 = 14387801^2 + 2259049^2 .

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 as a sum of consecutive naturals, namely, 53028029999999 + ... + 53028030000002.

Almost surely, 2^{212112120000002} is an apocalyptic number.

212112120000002 is a deficient number, since it is larger than the sum of its proper divisors (106056060000004).

212112120000002 is a wasteful number, since it uses less digits than its factorization.

212112120000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106056060000003.

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

Adding to 212112120000002 its reverse (200000021211212), we get a palindrome (412112141211214).

The spelling of 212112120000002 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty million, two", and thus it is an aban number.