120012120011 has 24 divisors (see below), whose sum is σ = 149444424000. Its totient is φ = 95801653584.

The previous prime is 120012120001. The next prime is 120012120017. The reversal of 120012120011 is 110021210021.

It is not a de Polignac number, because 120012120011 - 2²² = 120007925707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120012119974 and 120012120001.

It is not an unprimeable number, because it can be changed into a prime (120012120017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1037501 + ... + 1147358.

It is an arithmetic number, because the mean of its divisors is an integer number (6226851000).

Almost surely, 2^120012120011 is an apocalyptic number.

120012120011 is a deficient number, since it is larger than the sum of its proper divisors (29432303989).

120012120011 is a wasteful number, since it uses less digits than its factorization.

120012120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184951 (or 2184944 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120012120011 its reverse (110021210021), we get a palindrome (230033330032).

The spelling of 120012120011 in words is "one hundred twenty billion, twelve million, one hundred twenty thousand, eleven".