1223011333001 has 4 divisors (see below), whose sum is σ = 1223020227072. Its totient is φ = 1223002438932.

The previous prime is 1223011332953. The next prime is 1223011333067. The reversal of 1223011333001 is 1003331103221.

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 1223011333001 - 2¹⁴ = 1223011316617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223011233001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4237481 + ... + 4516886.

It is an arithmetic number, because the mean of its divisors is an integer number (305755056768).

Almost surely, 2^{1223011333001} is an apocalyptic number.

It is an amenable number.

1223011333001 is a deficient number, since it is larger than the sum of its proper divisors (8894071).

1223011333001 is an equidigital number, since it uses as much as digits as its factorization.

1223011333001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8894070.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1223011333001 its reverse (1003331103221), we get a palindrome (2226342436222).

The spelling of 1223011333001 in words is "one trillion, two hundred twenty-three billion, eleven million, three hundred thirty-three thousand, one".