212021001022212 has 36 divisors (see below), whose sum is σ = 541145294959360. Its totient is φ = 69987514899312.

The previous prime is 212021001022133. The next prime is 212021001022241. The reversal of 212021001022212 is 212220100120212.

It is a happy number.

212021001022212 is a `hidden beast` number, since 212 + 0 + 210 + 0 + 10 + 22 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28589667412 + ... + 28589674827.

Almost surely, 2^{212021001022212} is an apocalyptic number.

It is an amenable number.

212021001022212 is an abundant number, since it is smaller than the sum of its proper divisors (329124293937148).

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

212021001022212 is a wasteful number, since it uses less digits than its factorization.

212021001022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57179342352 (or 57179342347 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212021001022212 its reverse (212220100120212), we get a palindrome (424241101142424).

The spelling of 212021001022212 in words is "two hundred twelve trillion, twenty-one billion, one million, twenty-two thousand, two hundred twelve".