210020011222212 has 24 divisors (see below), whose sum is σ = 544496325391200. Its totient is φ = 70006670407368.

The previous prime is 210020011222163. The next prime is 210020011222261. The reversal of 210020011222212 is 212222110020012.

It is a happy number.

210020011222212 is a `hidden beast` number, since 21 + 0 + 0 + 200 + 11 + 222 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (210020011222163) and next prime (210020011222261).

It is a super-2 number, since 2×210020011222212² (a number of 29 digits) contains 22 as substring.

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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972314866662 + ... + 972314866877.

It is an arithmetic number, because the mean of its divisors is an integer number (22687346891300).

Almost surely, 2^{210020011222212} is an apocalyptic number.

It is an amenable number.

210020011222212 is an abundant number, since it is smaller than the sum of its proper divisors (334476314168988).

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

210020011222212 is a wasteful number, since it uses less digits than its factorization.

210020011222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944629733552 (or 1944629733544 counting only the distinct ones).

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

Adding to 210020011222212 its reverse (212222110020012), we get a palindrome (422242121242224).

The spelling of 210020011222212 in words is "two hundred ten trillion, twenty billion, eleven million, two hundred twenty-two thousand, two hundred twelve".