1203032012123 has 4 divisors (see below), whose sum is σ = 1244515874640. Its totient is φ = 1161548149608.

The previous prime is 1203032012113. The next prime is 1203032012179. The reversal of 1203032012123 is 3212102303021.

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 1203032012123 - 2⁶ = 1203032012059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203032012095 and 1203032012104.

It is not an unprimeable number, because it can be changed into a prime (1203032012113) 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, 20741931215 + ... + 20741931272.

It is an arithmetic number, because the mean of its divisors is an integer number (311128968660).

Almost surely, 2^{1203032012123} is an apocalyptic number.

1203032012123 is a deficient number, since it is larger than the sum of its proper divisors (41483862517).

1203032012123 is an equidigital number, since it uses as much as digits as its factorization.

1203032012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41483862516.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1203032012123 its reverse (3212102303021), we get a palindrome (4415134315144).

The spelling of 1203032012123 in words is "one trillion, two hundred three billion, thirty-two million, twelve thousand, one hundred twenty-three".