12120012000001 has 16 divisors (see below), whose sum is σ = 12853065052800. Its totient is φ = 11389204240128.

The previous prime is 12120011999987. The next prime is 12120012000029. The reversal of 12120012000001 is 10000021002121.

It is a cyclic number.

It is not a de Polignac number, because 12120012000001 - 2⁵ = 12120011999969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120012000071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36385515 + ... + 36717103.

It is an arithmetic number, because the mean of its divisors is an integer number (803316565800).

Almost surely, 2^{12120012000001} is an apocalyptic number.

It is an amenable number.

12120012000001 is a deficient number, since it is larger than the sum of its proper divisors (733053052799).

12120012000001 is a wasteful number, since it uses less digits than its factorization.

12120012000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334968.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12120012000001 its reverse (10000021002121), we get a palindrome (22120033002122).

The spelling of 12120012000001 in words is "twelve trillion, one hundred twenty billion, twelve million, one", and thus it is an aban number.