1022012023489 has 2 divisors, whose sum is σ = 1022012023490. Its totient is φ = 1022012023488.

The previous prime is 1022012023381. The next prime is 1022012023517. The reversal of 1022012023489 is 9843202102201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 771419673025 + 250592350464 = 878305^2 + 500592^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022012023489 - 2¹¹ = 1022012021441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022012023189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511006011744 + 511006011745.

It is an arithmetic number, because the mean of its divisors is an integer number (511006011745).

Almost surely, 2^{1022012023489} is an apocalyptic number.

It is an amenable number.

1022012023489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022012023489 is an equidigital number, since it uses as much as digits as its factorization.

1022012023489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 1022012023489 in words is "one trillion, twenty-two billion, twelve million, twenty-three thousand, four hundred eighty-nine".