1220210120023 has 2 divisors, whose sum is σ = 1220210120024. Its totient is φ = 1220210120022.

The previous prime is 1220210119993. The next prime is 1220210120029. The reversal of 1220210120023 is 3200210120221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3200210120221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220210120023 - 2⁹ = 1220210119511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220210119979 and 1220210120006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220210120029) 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, 610105060011 + 610105060012.

It is an arithmetic number, because the mean of its divisors is an integer number (610105060012).

Almost surely, 2^{1220210120023} is an apocalyptic number.

1220210120023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220210120023 is an equidigital number, since it uses as much as digits as its factorization.

1220210120023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1220210120023 its reverse (3200210120221), we get a palindrome (4420420240244).

The spelling of 1220210120023 in words is "one trillion, two hundred twenty billion, two hundred ten million, one hundred twenty thousand, twenty-three".