210122222220212 has 48 divisors (see below), whose sum is σ = 402117733075968. Its totient is φ = 95640351797760.

The previous prime is 210122222220187. The next prime is 210122222220223. The reversal of 210122222220212 is 212022222221012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22595888 + ... + 30509319.

It is an arithmetic number, because the mean of its divisors is an integer number (8377452772416).

Almost surely, 2^{210122222220212} is an apocalyptic number.

It is an amenable number.

210122222220212 is a deficient number, since it is larger than the sum of its proper divisors (191995510855756).

210122222220212 is a wasteful number, since it uses less digits than its factorization.

210122222220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53107136 (or 53107134 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 210122222220212 its reverse (212022222221012), we get a palindrome (422144444441224).

The spelling of 210122222220212 in words is "two hundred ten trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, two hundred twelve".