1200103212023 has 4 divisors (see below), whose sum is σ = 1200324679560. Its totient is φ = 1199881744488.

The previous prime is 1200103212001. The next prime is 1200103212037. The reversal of 1200103212023 is 3202123010021.

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 1200103212023 - 2⁸ = 1200103211767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200103211992 and 1200103212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200103212823) 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, 110725640 + ... + 110736477.

It is an arithmetic number, because the mean of its divisors is an integer number (300081169890).

Almost surely, 2^{1200103212023} is an apocalyptic number.

1200103212023 is a deficient number, since it is larger than the sum of its proper divisors (221467537).

1200103212023 is an equidigital number, since it uses as much as digits as its factorization.

1200103212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221467536.

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

Adding to 1200103212023 its reverse (3202123010021), we get a palindrome (4402226222044).

The spelling of 1200103212023 in words is "one trillion, two hundred billion, one hundred three million, two hundred twelve thousand, twenty-three".