212535211205 has 32 divisors (see below), whose sum is σ = 265268668416. Its totient is φ = 163296000000.

The previous prime is 212535211183. The next prime is 212535211253. The reversal of 212535211205 is 502112535212.

It is a happy number.

It is not a de Polignac number, because 212535211205 - 2¹⁴ = 212535194821 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 31 ways as a sum of consecutive naturals, for example, 28105625 + ... + 28113185.

It is an arithmetic number, because the mean of its divisors is an integer number (8289645888).

Almost surely, 2^212535211205 is an apocalyptic number.

It is an amenable number.

212535211205 is a deficient number, since it is larger than the sum of its proper divisors (52733457211).

212535211205 is a wasteful number, since it uses less digits than its factorization.

212535211205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8949.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 212535211205 its reverse (502112535212), we get a palindrome (714647746417).

The spelling of 212535211205 in words is "two hundred twelve billion, five hundred thirty-five million, two hundred eleven thousand, two hundred five".