212012122112110 has 16 divisors (see below), whose sum is σ = 381622267990656. Its totient is φ = 84804749247328.

The previous prime is 212012122112107. The next prime is 212012122112179. The reversal of 212012122112110 is 11211221210212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3180574 + ... + 20836033.

It is an arithmetic number, because the mean of its divisors is an integer number (23851391749416).

Almost surely, 2^{212012122112110} is an apocalyptic number.

212012122112110 is a deficient number, since it is larger than the sum of its proper divisors (169610145878546).

212012122112110 is a wasteful number, since it uses less digits than its factorization.

212012122112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24899387.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212012122112110 its reverse (11211221210212), we get a palindrome (223223343322322).

The spelling of 212012122112110 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-two million, one hundred twelve thousand, one hundred ten".