123012000001 has 16 divisors (see below), whose sum is σ = 134489606400. Its totient is φ = 111583731600.

The previous prime is 123011999993. The next prime is 123012000019. The reversal of 123012000001 is 100000210321.

It is not a de Polignac number, because 123012000001 - 2³ = 123011999993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123012004001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14832666 + ... + 14840956.

It is an arithmetic number, because the mean of its divisors is an integer number (8405600400).

Almost surely, 2^123012000001 is an apocalyptic number.

123012000001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123012000001 is a deficient number, since it is larger than the sum of its proper divisors (11477606399).

123012000001 is a wasteful number, since it uses less digits than its factorization.

123012000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 123012000001 its reverse (100000210321), we get a palindrome (223012210322).

The spelling of 123012000001 in words is "one hundred twenty-three billion, twelve million, one", and thus it is an aban number.