212103335164 has 48 divisors (see below), whose sum is σ = 435772180480. Its totient is φ = 88424239680.

The previous prime is 212103335111. The next prime is 212103335173. The reversal of 212103335164 is 461533301212.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 4983727 + ... + 5026105.

Almost surely, 2^212103335164 is an apocalyptic number.

It is an amenable number.

212103335164 is an abundant number, since it is smaller than the sum of its proper divisors (223668845316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212103335164 is a wasteful number, since it uses less digits than its factorization.

212103335164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47258 (or 47256 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 212103335164 its reverse (461533301212), we get a palindrome (673636636376).

The spelling of 212103335164 in words is "two hundred twelve billion, one hundred three million, three hundred thirty-five thousand, one hundred sixty-four".