120011122020012 has 12 divisors (see below), whose sum is σ = 280025951380056. Its totient is φ = 40003707340000.

The previous prime is 120011122020001. The next prime is 120011122020017. The reversal of 120011122020012 is 210020221110021.

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 = 120011122019973 and 120011122020000.

It is not an unprimeable number, because it can be changed into a prime (120011122020017) 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, 5000463417489 + ... + 5000463417512.

It is an arithmetic number, because the mean of its divisors is an integer number (23335495948338).

Almost surely, 2^{120011122020012} is an apocalyptic number.

120011122020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120011122020012 is an abundant number, since it is smaller than the sum of its proper divisors (160014829360044).

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

120011122020012 is a wasteful number, since it uses less digits than its factorization.

120011122020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000926835008 (or 10000926835006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120011122020012 its reverse (210020221110021), we get a palindrome (330031343130033).

Subtracting 120011122020012 from its reverse (210020221110021), we obtain a palindrome (90009099090009).

The spelling of 120011122020012 in words is "one hundred twenty trillion, eleven billion, one hundred twenty-two million, twenty thousand, twelve".