212919009235 has 16 divisors (see below), whose sum is σ = 259444043712. Its totient is φ = 167714064000.

The previous prime is 212919009227. The next prime is 212919009269. The reversal of 212919009235 is 532900919212.

It is a happy number.

It is not a de Polignac number, because 212919009235 - 2³ = 212919009227 is a prime.

It is a super-3 number, since 3×212919009235³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212919009191 and 212919009200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127416 + ... + 664885.

It is an arithmetic number, because the mean of its divisors is an integer number (16215252732).

Almost surely, 2^212919009235 is an apocalyptic number.

212919009235 is a deficient number, since it is larger than the sum of its proper divisors (46525034477).

212919009235 is an equidigital number, since it uses as much as digits as its factorization.

212919009235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793134.

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 212919009235 in words is "two hundred twelve billion, nine hundred nineteen million, nine thousand, two hundred thirty-five".