1202110003123 has 4 divisors (see below), whose sum is σ = 1202116224240. Its totient is φ = 1202103782008.

The previous prime is 1202110003099. The next prime is 1202110003177. The reversal of 1202110003123 is 3213000112021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202110003123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202110003097 and 1202110003106.

It is not an unprimeable number, because it can be changed into a prime (1202110003223) 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, 2811103 + ... + 3210376.

It is an arithmetic number, because the mean of its divisors is an integer number (300529056060).

Almost surely, 2^{1202110003123} is an apocalyptic number.

1202110003123 is a deficient number, since it is larger than the sum of its proper divisors (6221117).

1202110003123 is an equidigital number, since it uses as much as digits as its factorization.

1202110003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221116.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1202110003123 its reverse (3213000112021), we get a palindrome (4415110115144).

The spelling of 1202110003123 in words is "one trillion, two hundred two billion, one hundred ten million, three thousand, one hundred twenty-three".