1223120300101 has 4 divisors (see below), whose sum is σ = 1397851771552. Its totient is φ = 1048388828652.

The previous prime is 1223120300093. The next prime is 1223120300107. The reversal of 1223120300101 is 1010030213221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1223120300101 - 2³ = 1223120300093 is a prime.

It is a super-2 number, since 2×1223120300101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223120300107) 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 in 3 ways as a sum of consecutive naturals, for example, 87365735715 + ... + 87365735728.

It is an arithmetic number, because the mean of its divisors is an integer number (349462942888).

Almost surely, 2^{1223120300101} is an apocalyptic number.

It is an amenable number.

1223120300101 is a deficient number, since it is larger than the sum of its proper divisors (174731471451).

1223120300101 is an equidigital number, since it uses as much as digits as its factorization.

1223120300101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174731471450.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1223120300101 its reverse (1010030213221), we get a palindrome (2233150513322).

The spelling of 1223120300101 in words is "one trillion, two hundred twenty-three billion, one hundred twenty million, three hundred thousand, one hundred one".