13222012032131 has 4 divisors (see below), whose sum is σ = 15110870893872. Its totient is φ = 11333153170392.

The previous prime is 13222012032043. The next prime is 13222012032137. The reversal of 13222012032131 is 13123021022231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13222012032131 - 2¹⁸ = 13222011769987 is a prime.

It is a super-2 number, since 2×13222012032131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13222012032097 and 13222012032106.

It is not an unprimeable number, because it can be changed into a prime (13222012032137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944429430860 + ... + 944429430873.

It is an arithmetic number, because the mean of its divisors is an integer number (3777717723468).

Almost surely, 2^{13222012032131} is an apocalyptic number.

13222012032131 is a deficient number, since it is larger than the sum of its proper divisors (1888858861741).

13222012032131 is an equidigital number, since it uses as much as digits as its factorization.

13222012032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888858861740.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13222012032131 its reverse (13123021022231), we get a palindrome (26345033054362).

The spelling of 13222012032131 in words is "thirteen trillion, two hundred twenty-two billion, twelve million, thirty-two thousand, one hundred thirty-one".