12012010011001 has 48 divisors (see below), whose sum is σ = 16417735302528. Its totient is φ = 8639101094400.

The previous prime is 12012010010983. The next prime is 12012010011049. The reversal of 12012010011001 is 10011001021021.

It is not a de Polignac number, because 12012010011001 - 2³⁵ = 11977650272633 is a prime.

12012010011001 is a modest number, since divided by 10011001 gives 120120 as remainder.

It is not an unprimeable number, because it can be changed into a prime (12012010011061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70706881 + ... + 70876561.

It is an arithmetic number, because the mean of its divisors is an integer number (342036152136).

Almost surely, 2^{12012010011001} is an apocalyptic number.

12012010011001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12012010011001 is a deficient number, since it is larger than the sum of its proper divisors (4405725291527).

12012010011001 is a wasteful number, since it uses less digits than its factorization.

12012010011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179822 (or 179815 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12012010011001 its reverse (10011001021021), we get a palindrome (22023011032022).

The spelling of 12012010011001 in words is "twelve trillion, twelve billion, ten million, eleven thousand, one".