12013220011 has 8 divisors (see below), whose sum is σ = 12943718480. Its totient is φ = 11083636512.

The previous prime is 12013219993. The next prime is 12013220029. The reversal of 12013220011 is 11002231021.

It is an interprime number because it is at equal distance from previous prime (12013219993) and next prime (12013220029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12013220011 - 2⁵ = 12013219979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12013219973 and 12013220000.

It is not an unprimeable number, because it can be changed into a prime (12013220411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201345 + ... + 254098.

It is an arithmetic number, because the mean of its divisors is an integer number (1617964810).

Almost surely, 2^12013220011 is an apocalyptic number.

12013220011 is a deficient number, since it is larger than the sum of its proper divisors (930498469).

12013220011 is a wasteful number, since it uses less digits than its factorization.

12013220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457485.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12013220011 its reverse (11002231021), we get a palindrome (23015451032).

The spelling of 12013220011 in words is "twelve billion, thirteen million, two hundred twenty thousand, eleven".