112001212121210 has 16 divisors (see below), whose sum is σ = 204907135619592. Its totient is φ = 44066050670400.

The previous prime is 112001212121203. The next prime is 112001212121231. The reversal of 112001212121210 is 12121212100211.

It can be written as a sum of positive squares in 4 ways, for example, as 88260218985481 + 23740993135729 = 9394691^2 + 4872473^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91804271621 + ... + 91804272840.

Almost surely, 2^{112001212121210} is an apocalyptic number.

112001212121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112001212121210 is a deficient number, since it is larger than the sum of its proper divisors (92905923498382).

112001212121210 is a wasteful number, since it uses less digits than its factorization.

112001212121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183608544529.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112001212121210 its reverse (12121212100211), we get a palindrome (124122424221421).

The spelling of 112001212121210 in words is "one hundred twelve trillion, one billion, two hundred twelve million, one hundred twenty-one thousand, two hundred ten".