122222012121112 has 32 divisors (see below), whose sum is σ = 234844787923200. Its totient is φ = 59614446111264.

The previous prime is 122222012121101. The next prime is 122222012121119. The reversal of 122222012121112 is 211121210222221.

It is a super-2 number, since 2×122222012121112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222012121119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106867812 + ... + 1106978227.

It is an arithmetic number, because the mean of its divisors is an integer number (7338899622600).

Almost surely, 2^{122222012121112} is an apocalyptic number.

It is an amenable number.

122222012121112 is a deficient number, since it is larger than the sum of its proper divisors (112622775802088).

122222012121112 is a wasteful number, since it uses less digits than its factorization.

122222012121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213846215 (or 2213846211 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122222012121112 its reverse (211121210222221), we get a palindrome (333343222343333).

The spelling of 122222012121112 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, twelve million, one hundred twenty-one thousand, one hundred twelve".