1021232212579 has 2 divisors, whose sum is σ = 1021232212580. Its totient is φ = 1021232212578.

The previous prime is 1021232212493. The next prime is 1021232212591. The reversal of 1021232212579 is 9752122321201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021232212579 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021232212279) 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 as a sum of consecutive naturals, namely, 510616106289 + 510616106290.

It is an arithmetic number, because the mean of its divisors is an integer number (510616106290).

Almost surely, 2^{1021232212579} is an apocalyptic number.

1021232212579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021232212579 is an equidigital number, since it uses as much as digits as its factorization.

1021232212579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 1021232212579 in words is "one trillion, twenty-one billion, two hundred thirty-two million, two hundred twelve thousand, five hundred seventy-nine".