212119955807 has 4 divisors (see below), whose sum is σ = 212122209000. Its totient is φ = 212117702616.

The previous prime is 212119955767. The next prime is 212119955809. The reversal of 212119955807 is 708559911212.

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 212119955807 - 2³⁶ = 143400479071 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 (212119955809) 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, 978932 + ... + 1175817.

It is an arithmetic number, because the mean of its divisors is an integer number (53030552250).

Almost surely, 2^212119955807 is an apocalyptic number.

212119955807 is a deficient number, since it is larger than the sum of its proper divisors (2253193).

212119955807 is an equidigital number, since it uses as much as digits as its factorization.

212119955807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253192.

The product of its (nonzero) digits is 453600, while the sum is 50.

The spelling of 212119955807 in words is "two hundred twelve billion, one hundred nineteen million, nine hundred fifty-five thousand, eight hundred seven".