12011012112001 has 16 divisors (see below), whose sum is σ = 14131354247680. Its totient is φ = 9993112637760.

The previous prime is 12011012111951. The next prime is 12011012112023. The reversal of 12011012112001 is 10021121011021.

It is a happy number.

It is not a de Polignac number, because 12011012112001 - 2¹¹ = 12011012109953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011012142001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54967641 + ... + 55185718.

It is an arithmetic number, because the mean of its divisors is an integer number (883209640480).

Almost surely, 2^{12011012112001} is an apocalyptic number.

It is an amenable number.

12011012112001 is a deficient number, since it is larger than the sum of its proper divisors (2120342135679).

12011012112001 is a wasteful number, since it uses less digits than its factorization.

12011012112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110153824.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011012112001 its reverse (10021121011021), we get a palindrome (22032133123022).

The spelling of 12011012112001 in words is "twelve trillion, eleven billion, twelve million, one hundred twelve thousand, one".