1012210989443 has 2 divisors, whose sum is σ = 1012210989444. Its totient is φ = 1012210989442.

The previous prime is 1012210989401. The next prime is 1012210989469. The reversal of 1012210989443 is 3449890122101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012210989443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012210989394 and 1012210989403.

It is not a weakly prime, because it can be changed into another prime (1012210989743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506105494721 + 506105494722.

It is an arithmetic number, because the mean of its divisors is an integer number (506105494722).

Almost surely, 2^{1012210989443} is an apocalyptic number.

1012210989443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012210989443 is an equidigital number, since it uses as much as digits as its factorization.

1012210989443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 1012210989443 in words is "one trillion, twelve billion, two hundred ten million, nine hundred eighty-nine thousand, four hundred forty-three".