12000011201001 has 12 divisors (see below), whose sum is σ = 17335593993328. Its totient is φ = 7998971553144.

The previous prime is 12000011200951. The next prime is 12000011201111. The reversal of 12000011201001 is 10010211000021.

It is a happy number.

It is not a de Polignac number, because 12000011201001 - 2⁶ = 12000011200937 is a prime.

It is a super-3 number, since 3×12000011201001³ (a number of 40 digits) contains 333 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000011221001) 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, 86252815 + ... + 86391828.

Almost surely, 2^{12000011201001} is an apocalyptic number.

It is an amenable number.

12000011201001 is a deficient number, since it is larger than the sum of its proper divisors (5335582792327).

12000011201001 is a wasteful number, since it uses less digits than its factorization.

12000011201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172652372 (or 172652369 counting only the distinct ones).

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

Adding to 12000011201001 its reverse (10010211000021), we get a palindrome (22010222201022).

The spelling of 12000011201001 in words is "twelve trillion, eleven million, two hundred one thousand, one".