212013235195 has 4 divisors (see below), whose sum is σ = 254415882240. Its totient is φ = 169610588152.

The previous prime is 212013235171. The next prime is 212013235207. The reversal of 212013235195 is 591532310212.

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 212013235195 - 2⁷ = 212013235067 is a prime.

It is a super-2 number, since 2×212013235195² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212013235195.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21201323515 + ... + 21201323524.

It is an arithmetic number, because the mean of its divisors is an integer number (63603970560).

Almost surely, 2^212013235195 is an apocalyptic number.

212013235195 is a deficient number, since it is larger than the sum of its proper divisors (42402647045).

212013235195 is an equidigital number, since it uses as much as digits as its factorization.

212013235195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42402647044.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 212013235195 in words is "two hundred twelve billion, thirteen million, two hundred thirty-five thousand, one hundred ninety-five".