122122210012 has 12 divisors (see below), whose sum is σ = 233142401016. Its totient is φ = 55510095440.

The previous prime is 122122209977. The next prime is 122122210019. The reversal of 122122210012 is 210012221221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122210019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387752343 + ... + 1387752430.

It is an arithmetic number, because the mean of its divisors is an integer number (19428533418).

Almost surely, 2^122122210012 is an apocalyptic number.

It is an amenable number.

122122210012 is a deficient number, since it is larger than the sum of its proper divisors (111020191004).

122122210012 is a wasteful number, since it uses less digits than its factorization.

122122210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775504788 (or 2775504786 counting only the distinct ones).

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

Adding to 122122210012 its reverse (210012221221), we get a palindrome (332134431233).

The spelling of 122122210012 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred ten thousand, twelve".