10120123211203 has 4 divisors (see below), whose sum is σ = 10258755036088. Its totient is φ = 9981491386320.

The previous prime is 10120123211089. The next prime is 10120123211243. The reversal of 10120123211203 is 30211232102101.

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 10120123211203 - 2²⁵ = 10120089656771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120123211243) 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, 69315912333 + ... + 69315912478.

It is an arithmetic number, because the mean of its divisors is an integer number (2564688759022).

Almost surely, 2^{10120123211203} is an apocalyptic number.

10120123211203 is a deficient number, since it is larger than the sum of its proper divisors (138631824885).

10120123211203 is an equidigital number, since it uses as much as digits as its factorization.

10120123211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138631824884.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10120123211203 its reverse (30211232102101), we get a palindrome (40331355313304).

The spelling of 10120123211203 in words is "ten trillion, one hundred twenty billion, one hundred twenty-three million, two hundred eleven thousand, two hundred three".