120221220012 has 12 divisors (see below), whose sum is σ = 280516180056. Its totient is φ = 40073740000.

The previous prime is 120221219999. The next prime is 120221220013. The reversal of 120221220012 is 210022122021.

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

It is a junction number, because it is equal to n+sod(n) for n = 120221219973 and 120221220000.

It is not an unprimeable number, because it can be changed into a prime (120221220013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009217489 + ... + 5009217512.

It is an arithmetic number, because the mean of its divisors is an integer number (23376348338).

Almost surely, 2^120221220012 is an apocalyptic number.

120221220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120221220012 is an abundant number, since it is smaller than the sum of its proper divisors (160294960044).

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

120221220012 is a wasteful number, since it uses less digits than its factorization.

120221220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018435008 (or 10018435006 counting only the distinct ones).

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

Adding to 120221220012 its reverse (210022122021), we get a palindrome (330243342033).

The spelling of 120221220012 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred twenty thousand, twelve".