212000011112121 has 8 divisors (see below), whose sum is σ = 282770871203040. Its totient is φ = 141281245881312.

The previous prime is 212000011112119. The next prime is 212000011112161. The reversal of 212000011112121 is 121211110000212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212000011112121 - 2¹ = 212000011112119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212000011112121.

It is not an unprimeable number, because it can be changed into a prime (212000011112161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13023705531 + ... + 13023721808.

It is an arithmetic number, because the mean of its divisors is an integer number (35346358900380).

Almost surely, 2^{212000011112121} is an apocalyptic number.

It is an amenable number.

212000011112121 is a deficient number, since it is larger than the sum of its proper divisors (70770860090919).

212000011112121 is a wasteful number, since it uses less digits than its factorization.

212000011112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26047430055.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212000011112121 its reverse (121211110000212), we get a palindrome (333211121112333).

The spelling of 212000011112121 in words is "two hundred twelve trillion, eleven million, one hundred twelve thousand, one hundred twenty-one".