12020001100011 has 12 divisors (see below), whose sum is σ = 17606762175600. Its totient is φ = 7900470206160.

The previous prime is 12020001100007. The next prime is 12020001100027. The reversal of 12020001100011 is 11000110002021.

It is a happy number.

It is not a de Polignac number, because 12020001100011 - 2² = 12020001100007 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 12020001099966 and 12020001100002.

It is not an unprimeable number, because it can be changed into a prime (12020001500011) 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, 9405321036 + ... + 9405322313.

It is an arithmetic number, because the mean of its divisors is an integer number (1467230181300).

Almost surely, 2^{12020001100011} is an apocalyptic number.

12020001100011 is a deficient number, since it is larger than the sum of its proper divisors (5586761075589).

12020001100011 is a wasteful number, since it uses less digits than its factorization.

12020001100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18810643426 (or 18810643423 counting only the distinct ones).

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

Adding to 12020001100011 its reverse (11000110002021), we get a palindrome (23020111102032).

The spelling of 12020001100011 in words is "twelve trillion, twenty billion, one million, one hundred thousand, eleven".