212130033111131 has 32 divisors (see below), whose sum is σ = 219536504972928. Its totient is φ = 204879626864640.

The previous prime is 212130033111047. The next prime is 212130033111197. The reversal of 212130033111131 is 131111330031212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212130033111131 is a prime.

It is a super-2 number, since 2×212130033111131² (a number of 29 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 = 212130033111097 and 212130033111106.

It is not an unprimeable number, because it can be changed into a prime (212130033110131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515728805 + ... + 516139961.

It is an arithmetic number, because the mean of its divisors is an integer number (6860515780404).

Almost surely, 2^{212130033111131} is an apocalyptic number.

212130033111131 is a deficient number, since it is larger than the sum of its proper divisors (7406471861797).

212130033111131 is a wasteful number, since it uses less digits than its factorization.

212130033111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411911.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 212130033111131 its reverse (131111330031212), we get a palindrome (343241363142343).

The spelling of 212130033111131 in words is "two hundred twelve trillion, one hundred thirty billion, thirty-three million, one hundred eleven thousand, one hundred thirty-one".