212133031441 has 2 divisors, whose sum is σ = 212133031442. Its totient is φ = 212133031440.

The previous prime is 212133031427. The next prime is 212133031469. The reversal of 212133031441 is 144130331212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187506320400 + 24626711041 = 433020^2 + 156929^2 .

It is a cyclic number.

It is not a de Polignac number, because 212133031441 - 2²¹ = 212130934289 is a prime.

It is not a weakly prime, because it can be changed into another prime (212133031471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106066515720 + 106066515721.

It is an arithmetic number, because the mean of its divisors is an integer number (106066515721).

Almost surely, 2^212133031441 is an apocalyptic number.

It is an amenable number.

212133031441 is a deficient number, since it is larger than the sum of its proper divisors (1).

212133031441 is an equidigital number, since it uses as much as digits as its factorization.

212133031441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212133031441 its reverse (144130331212), we get a palindrome (356263362653).

The spelling of 212133031441 in words is "two hundred twelve billion, one hundred thirty-three million, thirty-one thousand, four hundred forty-one".