212112121211207 has 8 divisors (see below), whose sum is σ = 242414168009376. Its totient is φ = 181810153212192.

The previous prime is 212112121211183. The next prime is 212112121211233. The reversal of 212112121211207 is 702112121211212.

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

It is a cyclic number.

It is not a de Polignac number, because 212112121211207 - 2²⁴ = 212112104433991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112121211257) 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, 13814408 + ... + 24800445.

It is an arithmetic number, because the mean of its divisors is an integer number (30301771001172).

Almost surely, 2^{212112121211207} is an apocalyptic number.

212112121211207 is a deficient number, since it is larger than the sum of its proper divisors (30302046798169).

212112121211207 is an equidigital number, since it uses as much as digits as its factorization.

212112121211207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39399577.

The product of its (nonzero) digits is 448, while the sum is 26.

Adding to 212112121211207 its reverse (702112121211212), we get a palindrome (914224242422419).

The spelling of 212112121211207 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, two hundred seven".