1203103212201 has 24 divisors (see below), whose sum is σ = 1895840959584. Its totient is φ = 729137324160.

The previous prime is 1203103212197. The next prime is 1203103212229. The reversal of 1203103212201 is 1022123013021.

1203103212201 is a `hidden beast` number, since 12 + 0 + 310 + 321 + 2 + 20 + 1 = 666.

It is not a de Polignac number, because 1203103212201 - 2² = 1203103212197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1203103217201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5582490 + ... + 5793996.

It is an arithmetic number, because the mean of its divisors is an integer number (78993373316).

Almost surely, 2^{1203103212201} is an apocalyptic number.

1203103212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1203103212201 is a deficient number, since it is larger than the sum of its proper divisors (692737747383).

1203103212201 is a wasteful number, since it uses less digits than its factorization.

1203103212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268981 (or 268978 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1203103212201 its reverse (1022123013021), we get a palindrome (2225226225222).

The spelling of 1203103212201 in words is "one trillion, two hundred three billion, one hundred three million, two hundred twelve thousand, two hundred one".