122220120112 has 40 divisors (see below), whose sum is σ = 240432627200. Its totient is φ = 60177079872.

The previous prime is 122220120107. The next prime is 122220120137. The reversal of 122220120112 is 211021022221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 351493 + ... + 606619.

It is an arithmetic number, because the mean of its divisors is an integer number (6010815680).

Almost surely, 2^122220120112 is an apocalyptic number.

It is an amenable number.

122220120112 is a deficient number, since it is larger than the sum of its proper divisors (118212507088).

122220120112 is a wasteful number, since it uses less digits than its factorization.

122220120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255593 (or 255587 counting only the distinct ones).

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

Adding to 122220120112 its reverse (211021022221), we get a palindrome (333241142333).

The spelling of 122220120112 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, one hundred twelve".