12011002201001 has 6 divisors (see below), whose sum is σ = 12676431686202. Its totient is φ = 11378844190080.

The previous prime is 12011002200979. The next prime is 12011002201021. The reversal of 12011002201001 is 10010220011021.

It can be written as a sum of positive squares in only one way, i.e., 12010910136976 + 92064025 = 3465676^2 + 9595^2 .

It is not a de Polignac number, because 12011002201001 - 2⁶ = 12011002200937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011002201021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16635736760 + ... + 16635737481.

It is an arithmetic number, because the mean of its divisors is an integer number (2112738614367).

Almost surely, 2^{12011002201001} is an apocalyptic number.

It is an amenable number.

12011002201001 is a deficient number, since it is larger than the sum of its proper divisors (665429485201).

12011002201001 is an equidigital number, since it uses as much as digits as its factorization.

12011002201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33271474279 (or 33271474260 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12011002201001 its reverse (10010220011021), we get a palindrome (22021222212022).

The spelling of 12011002201001 in words is "twelve trillion, eleven billion, two million, two hundred one thousand, one".