212013231207 has 4 divisors (see below), whose sum is σ = 282684308280. Its totient is φ = 141342154136.

The previous prime is 212013231187. The next prime is 212013231229. The reversal of 212013231207 is 702132310212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212013231207 - 2¹⁶ = 212013165671 is a prime.

It is a super-3 number, since 3×212013231207³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013231257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35335538532 + ... + 35335538537.

It is an arithmetic number, because the mean of its divisors is an integer number (70671077070).

Almost surely, 2^212013231207 is an apocalyptic number.

212013231207 is a deficient number, since it is larger than the sum of its proper divisors (70671077073).

212013231207 is an equidigital number, since it uses as much as digits as its factorization.

212013231207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70671077072.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 212013231207 its reverse (702132310212), we get a palindrome (914145541419).

The spelling of 212013231207 in words is "two hundred twelve billion, thirteen million, two hundred thirty-one thousand, two hundred seven".