1223001433021 has 8 divisors (see below), whose sum is σ = 1225473054624. Its totient is φ = 1220532287280.

The previous prime is 1223001433009. The next prime is 1223001433051. The reversal of 1223001433021 is 1203341003221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223001433021 - 2⁹ = 1223001432509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223001432983 and 1223001433001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223001433001) 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 7 ways as a sum of consecutive naturals, for example, 371571 + ... + 1607503.

It is an arithmetic number, because the mean of its divisors is an integer number (153184131828).

Almost surely, 2^{1223001433021} is an apocalyptic number.

It is an amenable number.

1223001433021 is a deficient number, since it is larger than the sum of its proper divisors (2471621603).

1223001433021 is a wasteful number, since it uses less digits than its factorization.

1223001433021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237931.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1223001433021 its reverse (1203341003221), we get a palindrome (2426342436242).

The spelling of 1223001433021 in words is "one trillion, two hundred twenty-three billion, one million, four hundred thirty-three thousand, twenty-one".