1220122007893 has 2 divisors, whose sum is σ = 1220122007894. Its totient is φ = 1220122007892.

The previous prime is 1220122007891. The next prime is 1220122007963. The reversal of 1220122007893 is 3987002210221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 973413104689 + 246708903204 = 986617^2 + 496698^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220122007893 - 2¹ = 1220122007891 is a prime.

Together with 1220122007891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220122007891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610061003946 + 610061003947.

It is an arithmetic number, because the mean of its divisors is an integer number (610061003947).

Almost surely, 2^{1220122007893} is an apocalyptic number.

It is an amenable number.

1220122007893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220122007893 is an equidigital number, since it uses as much as digits as its factorization.

1220122007893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 1220122007893 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, seven thousand, eight hundred ninety-three".