212412044531 has 2 divisors, whose sum is σ = 212412044532. Its totient is φ = 212412044530.

The previous prime is 212412044513. The next prime is 212412044539. The reversal of 212412044531 is 135440214212.

It is a happy number.

Together with previous prime (212412044513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212412044531 - 2²² = 212407850227 is a prime.

It is a super-2 number, since 2×212412044531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212412044494 and 212412044503.

It is not a weakly prime, because it can be changed into another prime (212412044539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106206022265 + 106206022266.

It is an arithmetic number, because the mean of its divisors is an integer number (106206022266).

Almost surely, 2^212412044531 is an apocalyptic number.

212412044531 is a deficient number, since it is larger than the sum of its proper divisors (1).

212412044531 is an equidigital number, since it uses as much as digits as its factorization.

212412044531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 212412044531 its reverse (135440214212), we get a palindrome (347852258743).

The spelling of 212412044531 in words is "two hundred twelve billion, four hundred twelve million, forty-four thousand, five hundred thirty-one".