1320212213131 has 4 divisors (see below), whose sum is σ = 1508813957872. Its totient is φ = 1131610468392.

The previous prime is 1320212213107. The next prime is 1320212213171. The reversal of 1320212213131 is 1313122120231.

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 1320212213131 - 2¹¹ = 1320212211083 is a prime.

It is a super-2 number, since 2×1320212213131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320212213171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94300872360 + ... + 94300872373.

It is an arithmetic number, because the mean of its divisors is an integer number (377203489468).

Almost surely, 2^{1320212213131} is an apocalyptic number.

1320212213131 is a deficient number, since it is larger than the sum of its proper divisors (188601744741).

1320212213131 is an equidigital number, since it uses as much as digits as its factorization.

1320212213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188601744740.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1320212213131 its reverse (1313122120231), we get a palindrome (2633334333362).

The spelling of 1320212213131 in words is "one trillion, three hundred twenty billion, two hundred twelve million, two hundred thirteen thousand, one hundred thirty-one".