210022120212012 has 36 divisors (see below), whose sum is σ = 530889689708560. Its totient is φ = 70007315198112.

The previous prime is 210022120211999. The next prime is 210022120212013. The reversal of 210022120212012 is 210212021220012.

It is a happy number.

210022120212012 is a `hidden beast` number, since 210 + 0 + 221 + 20 + 212 + 0 + 1 + 2 = 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 not an unprimeable number, because it can be changed into a prime (210022120212013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78110289 + ... + 80754327.

Almost surely, 2^{210022120212012} is an apocalyptic number.

It is an amenable number.

210022120212012 is an abundant number, since it is smaller than the sum of its proper divisors (320867569496548).

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

210022120212012 is a wasteful number, since it uses less digits than its factorization.

210022120212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850502 (or 4850497 counting only the distinct ones).

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

Adding to 210022120212012 its reverse (210212021220012), we get a palindrome (420234141432024).

The spelling of 210022120212012 in words is "two hundred ten trillion, twenty-two billion, one hundred twenty million, two hundred twelve thousand, twelve".