1220952285893 has 2 divisors, whose sum is σ = 1220952285894. Its totient is φ = 1220952285892.

The previous prime is 1220952285881. The next prime is 1220952285907. The reversal of 1220952285893 is 3985822590221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1166188329604 + 54763956289 = 1079902^2 + 234017^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220952285893 - 2⁶ = 1220952285829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220952285803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610476142946 + 610476142947.

It is an arithmetic number, because the mean of its divisors is an integer number (610476142947).

Almost surely, 2^{1220952285893} is an apocalyptic number.

It is an amenable number.

1220952285893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220952285893 is an equidigital number, since it uses as much as digits as its factorization.

1220952285893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 1220952285893 in words is "one trillion, two hundred twenty billion, nine hundred fifty-two million, two hundred eighty-five thousand, eight hundred ninety-three".