212001203131 has 2 divisors, whose sum is σ = 212001203132. Its totient is φ = 212001203130.

The previous prime is 212001203111. The next prime is 212001203137. The reversal of 212001203131 is 131302100212.

212001203131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212001203131 - 2⁹ = 212001202619 is a prime.

It is a super-2 number, since 2×212001203131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212001203137) 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 as a sum of consecutive naturals, namely, 106000601565 + 106000601566.

It is an arithmetic number, because the mean of its divisors is an integer number (106000601566).

Almost surely, 2^212001203131 is an apocalyptic number.

212001203131 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001203131 is an equidigital number, since it uses as much as digits as its factorization.

212001203131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212001203131 its reverse (131302100212), we get a palindrome (343303303343).

The spelling of 212001203131 in words is "two hundred twelve billion, one million, two hundred three thousand, one hundred thirty-one".