212112112101010 has 64 divisors (see below), whose sum is σ = 418816114303104. Its totient is φ = 76705095168000.

The previous prime is 212112112100989. The next prime is 212112112101013. The reversal of 212112112101010 is 10101211211212.

It is not an unprimeable number, because it can be changed into a prime (212112112101013) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 58774512 + ... + 62278948.

It is an arithmetic number, because the mean of its divisors is an integer number (6544001785986).

Almost surely, 2^{212112112101010} is an apocalyptic number.

212112112101010 is a deficient number, since it is larger than the sum of its proper divisors (206704002202094).

212112112101010 is a wasteful number, since it uses less digits than its factorization.

212112112101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507499.

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

Adding to 212112112101010 its reverse (10101211211212), we get a palindrome (222213323312222).

The spelling of 212112112101010 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twelve million, one hundred one thousand, ten".