203220123103112 has 32 divisors (see below), whose sum is σ = 385417264373400. Its totient is φ = 100444642043904.

The previous prime is 203220123103093. The next prime is 203220123103117. The reversal of 203220123103112 is 211301321022302.

It can be written as a sum of positive squares in 4 ways, for example, as 160740153015556 + 42479970087556 = 12678334^2 + 6517666^2 .

It is not an unprimeable number, because it can be changed into a prime (203220123103117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152844287 + ... + 154168142.

Almost surely, 2^{203220123103112} is an apocalyptic number.

It is an amenable number.

203220123103112 is a deficient number, since it is larger than the sum of its proper divisors (182197141270288).

203220123103112 is a wasteful number, since it uses less digits than its factorization.

203220123103112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307013385 (or 307013381 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 203220123103112 its reverse (211301321022302), we get a palindrome (414521444125414).

The spelling of 203220123103112 in words is "two hundred three trillion, two hundred twenty billion, one hundred twenty-three million, one hundred three thousand, one hundred twelve".