120012010011 has 12 divisors (see below), whose sum is σ = 177382092888. Its totient is φ = 78147355104.

The previous prime is 120012009979. The next prime is 120012010087. The reversal of 120012010011 is 110010210021.

It is a happy number.

It is not a de Polignac number, because 120012010011 - 2⁵ = 120012009979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120012009975 and 120012010002.

It is not an unprimeable number, because it can be changed into a prime (120012010091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155053890 + ... + 155054663.

It is an arithmetic number, because the mean of its divisors is an integer number (14781841074).

Almost surely, 2^120012010011 is an apocalyptic number.

120012010011 is a deficient number, since it is larger than the sum of its proper divisors (57370082877).

120012010011 is a wasteful number, since it uses less digits than its factorization.

120012010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310108602 (or 310108599 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120012010011 its reverse (110010210021), we get a palindrome (230022220032).

The spelling of 120012010011 in words is "one hundred twenty billion, twelve million, ten thousand, eleven".