212402319985 has 8 divisors (see below), whose sum is σ = 255428574336. Its totient is φ = 169557995760.

The previous prime is 212402319937. The next prime is 212402320001. The reversal of 212402319985 is 589913204212.

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

It is not a de Polignac number, because 212402319985 - 2³⁵ = 178042581617 is a prime.

It is a super-2 number, since 2×212402319985² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45479961 + ... + 45484630.

It is an arithmetic number, because the mean of its divisors is an integer number (31928571792).

Almost surely, 2^212402319985 is an apocalyptic number.

It is an amenable number.

212402319985 is a deficient number, since it is larger than the sum of its proper divisors (43026254351).

212402319985 is an equidigital number, since it uses as much as digits as its factorization.

212402319985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90965063.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 212402319985 in words is "two hundred twelve billion, four hundred two million, three hundred nineteen thousand, nine hundred eighty-five".