210012111222 has 128 divisors (see below), whose sum is σ = 441399974400. Its totient is φ = 66556256256.

The previous prime is 210012111203. The next prime is 210012111229. The reversal of 210012111222 is 222111210012.

It is a super-3 number, since 3×210012111222³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012111229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1066051228 + ... + 1066051424.

It is an arithmetic number, because the mean of its divisors is an integer number (3448437300).

Almost surely, 2^210012111222 is an apocalyptic number.

210012111222 is an abundant number, since it is smaller than the sum of its proper divisors (231387863178).

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

210012111222 is a wasteful number, since it uses less digits than its factorization.

210012111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210012111222 its reverse (222111210012), we get a palindrome (432123321234).

The spelling of 210012111222 in words is "two hundred ten billion, twelve million, one hundred eleven thousand, two hundred twenty-two".