212332122211212 has 72 divisors (see below), whose sum is σ = 556913748540240. Its totient is φ = 68130319340160.

The previous prime is 212332122211117. The next prime is 212332122211273. The reversal of 212332122211212 is 212112221233212.

212332122211212 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 321 + 222 + 112 + 1 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306879903 + ... + 307571030.

It is an arithmetic number, because the mean of its divisors is an integer number (7734913174170).

Almost surely, 2^{212332122211212} is an apocalyptic number.

It is an amenable number.

212332122211212 is an abundant number, since it is smaller than the sum of its proper divisors (344581626329028).

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

212332122211212 is a wasteful number, since it uses less digits than its factorization.

212332122211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614451303 (or 614451298 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 212332122211212 its reverse (212112221233212), we get a palindrome (424444343444424).

The spelling of 212332122211212 in words is "two hundred twelve trillion, three hundred thirty-two billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twelve".