1203221112203 has 32 divisors (see below), whose sum is σ = 1351298668032. Its totient is φ = 1061737286400.

The previous prime is 1203221112199. The next prime is 1203221112217. The reversal of 1203221112203 is 3022111223021.

It is a cyclic number.

It is not a de Polignac number, because 1203221112203 - 2² = 1203221112199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203221112403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399606968 + ... + 399609978.

It is an arithmetic number, because the mean of its divisors is an integer number (42228083376).

Almost surely, 2^{1203221112203} is an apocalyptic number.

1203221112203 is a deficient number, since it is larger than the sum of its proper divisors (148077555829).

1203221112203 is a wasteful number, since it uses less digits than its factorization.

1203221112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1203221112203 its reverse (3022111223021), we get a palindrome (4225332335224).

The spelling of 1203221112203 in words is "one trillion, two hundred three billion, two hundred twenty-one million, one hundred twelve thousand, two hundred three".