212103335165 has 16 divisors (see below), whose sum is σ = 256123384128. Its totient is φ = 168616722816.

The previous prime is 212103335111. The next prime is 212103335173. The reversal of 212103335165 is 561533301212.

It is a cyclic number.

It is not a de Polignac number, because 212103335165 - 2⁸ = 212103334909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7113929 + ... + 7143681.

It is an arithmetic number, because the mean of its divisors is an integer number (16007711508).

Almost surely, 2^212103335165 is an apocalyptic number.

It is an amenable number.

212103335165 is a deficient number, since it is larger than the sum of its proper divisors (44020048963).

212103335165 is a wasteful number, since it uses less digits than its factorization.

212103335165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38668.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 212103335165 its reverse (561533301212), we get a palindrome (773636636377).

The spelling of 212103335165 in words is "two hundred twelve billion, one hundred three million, three hundred thirty-five thousand, one hundred sixty-five".