1201220103023 has 4 divisors (see below), whose sum is σ = 1253447064048. Its totient is φ = 1148993142000.

The previous prime is 1201220102989. The next prime is 1201220103101. The reversal of 1201220103023 is 3203010221021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201220103023 - 2¹² = 1201220098927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201220102992 and 1201220103010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201220102023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26113480478 + ... + 26113480523.

It is an arithmetic number, because the mean of its divisors is an integer number (313361766012).

Almost surely, 2^{1201220103023} is an apocalyptic number.

1201220103023 is a deficient number, since it is larger than the sum of its proper divisors (52226961025).

1201220103023 is an equidigital number, since it uses as much as digits as its factorization.

1201220103023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52226961024.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1201220103023 its reverse (3203010221021), we get a palindrome (4404230324044).

The spelling of 1201220103023 in words is "one trillion, two hundred one billion, two hundred twenty million, one hundred three thousand, twenty-three".