1220122010923 has 2 divisors, whose sum is σ = 1220122010924. Its totient is φ = 1220122010922.

The previous prime is 1220122010911. The next prime is 1220122010927. The reversal of 1220122010923 is 3290102210221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220122010923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220122010927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610061005461 + 610061005462.

It is an arithmetic number, because the mean of its divisors is an integer number (610061005462).

Almost surely, 2^{1220122010923} is an apocalyptic number.

1220122010923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220122010923 is an equidigital number, since it uses as much as digits as its factorization.

1220122010923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 1220122010923 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, ten thousand, nine hundred twenty-three".