12113001211 has 6 divisors (see below), whose sum is σ = 12867444500. Its totient is φ = 11400471456.

The previous prime is 12113001209. The next prime is 12113001223. The reversal of 12113001211 is 11210031121.

It is a happy number.

It is not a de Polignac number, because 12113001211 - 2¹ = 12113001209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12113001191 and 12113001200.

It is not an unprimeable number, because it can be changed into a prime (12113001311) 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, 20956461 + ... + 20957038.

Almost surely, 2^12113001211 is an apocalyptic number.

12113001211 is a deficient number, since it is larger than the sum of its proper divisors (754443289).

12113001211 is an equidigital number, since it uses as much as digits as its factorization.

12113001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41913533 (or 41913516 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12113001211 its reverse (11210031121), we get a palindrome (23323032332).

The spelling of 12113001211 in words is "twelve billion, one hundred thirteen million, one thousand, two hundred eleven".