13012221323211 has 16 divisors (see below), whose sum is σ = 18947066855808. Its totient is φ = 7877778292800.

The previous prime is 13012221323183. The next prime is 13012221323249. The reversal of 13012221323211 is 11232312221031.

It is not a de Polignac number, because 13012221323211 - 2¹³ = 13012221315019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13012221323011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210379825 + ... + 210441666.

It is an arithmetic number, because the mean of its divisors is an integer number (1184191678488).

Almost surely, 2^{13012221323211} is an apocalyptic number.

13012221323211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13012221323211 is a deficient number, since it is larger than the sum of its proper divisors (5934845532597).

13012221323211 is a wasteful number, since it uses less digits than its factorization.

13012221323211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420822442.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13012221323211 its reverse (11232312221031), we get a palindrome (24244533544242).

The spelling of 13012221323211 in words is "thirteen trillion, twelve billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred eleven".