1220030021023 has 8 divisors (see below), whose sum is σ = 1331911225296. Its totient is φ = 1108310380800.

The previous prime is 1220030021017. The next prime is 1220030021039. The reversal of 1220030021023 is 3201200300221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220030021023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220030020988 and 1220030021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220030021323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40375218 + ... + 40405423.

It is an arithmetic number, because the mean of its divisors is an integer number (166488903162).

Almost surely, 2^{1220030021023} is an apocalyptic number.

1220030021023 is a deficient number, since it is larger than the sum of its proper divisors (111881204273).

1220030021023 is a wasteful number, since it uses less digits than its factorization.

1220030021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80782025.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1220030021023 its reverse (3201200300221), we get a palindrome (4421230321244).

The spelling of 1220030021023 in words is "one trillion, two hundred twenty billion, thirty million, twenty-one thousand, twenty-three".