122222101012 has 24 divisors (see below), whose sum is σ = 235643339232. Its totient is φ = 55005444000.

The previous prime is 122222101007. The next prime is 122222101013. The reversal of 122222101012 is 210101222221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222101013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13746918 + ... + 13755805.

It is an arithmetic number, because the mean of its divisors is an integer number (9818472468).

Almost surely, 2^122222101012 is an apocalyptic number.

It is an amenable number.

122222101012 is a deficient number, since it is larger than the sum of its proper divisors (113421238220).

122222101012 is a wasteful number, since it uses less digits than its factorization.

122222101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27502839 (or 27502837 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122222101012 its reverse (210101222221), we get a palindrome (332323323233).

The spelling of 122222101012 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred one thousand, twelve".