1212022210222 has 16 divisors (see below), whose sum is σ = 1881615225600. Its totient is φ = 584836937440.

The previous prime is 1212022210219. The next prime is 1212022210241. The reversal of 1212022210222 is 2220122202121.

It is a super-2 number, since 2×1212022210222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1212022210222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4827097 + ... + 5071972.

It is an arithmetic number, because the mean of its divisors is an integer number (117600951600).

Almost surely, 2^{1212022210222} is an apocalyptic number.

1212022210222 is a deficient number, since it is larger than the sum of its proper divisors (669593015378).

1212022210222 is a wasteful number, since it uses less digits than its factorization.

1212022210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901211.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1212022210222 its reverse (2220122202121), we get a palindrome (3432144412343).

The spelling of 1212022210222 in words is "one trillion, two hundred twelve billion, twenty-two million, two hundred ten thousand, two hundred twenty-two".