120122220012 has 12 divisors (see below), whose sum is σ = 280285180056. Its totient is φ = 40040740000.

The previous prime is 120122219947. The next prime is 120122220047. The reversal of 120122220012 is 210022221021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×120122220012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120122219973 and 120122220000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005092489 + ... + 5005092512.

It is an arithmetic number, because the mean of its divisors is an integer number (23357098338).

Almost surely, 2^120122220012 is an apocalyptic number.

120122220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120122220012 is an abundant number, since it is smaller than the sum of its proper divisors (160162960044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120122220012 is a wasteful number, since it uses less digits than its factorization.

120122220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010185008 (or 10010185006 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120122220012 its reverse (210022221021), we get a palindrome (330144441033).

The spelling of 120122220012 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred twenty thousand, twelve".