13012211011 has 8 divisors (see below), whose sum is σ = 13039137504. Its totient is φ = 12985304640.

The previous prime is 13012210997. The next prime is 13012211029. The reversal of 13012211011 is 11011221031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13012211011 - 2⁵ = 13012210979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13012210982 and 13012211000.

It is not an unprimeable number, because it can be changed into a prime (13012211711) 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, 2232481 + ... + 2238301.

It is an arithmetic number, because the mean of its divisors is an integer number (1629892188).

Almost surely, 2^13012211011 is an apocalyptic number.

13012211011 is a deficient number, since it is larger than the sum of its proper divisors (26926493).

13012211011 is an equidigital number, since it uses as much as digits as its factorization.

13012211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061.

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

Adding to 13012211011 its reverse (11011221031), we get a palindrome (24023432042).

The spelling of 13012211011 in words is "thirteen billion, twelve million, two hundred eleven thousand, eleven".