203110123012 has 24 divisors (see below), whose sum is σ = 369371116800. Its totient is φ = 97619491680.

The previous prime is 203110122997. The next prime is 203110123033. The reversal of 203110123012 is 210321011302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5478118 + ... + 5515069.

It is an arithmetic number, because the mean of its divisors is an integer number (15390463200).

Almost surely, 2^203110123012 is an apocalyptic number.

It is an amenable number.

203110123012 is a deficient number, since it is larger than the sum of its proper divisors (166260993788).

203110123012 is a wasteful number, since it uses less digits than its factorization.

203110123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10993371 (or 10993369 counting only the distinct ones).

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

Adding to 203110123012 its reverse (210321011302), we get a palindrome (413431134314).

The spelling of 203110123012 in words is "two hundred three billion, one hundred ten million, one hundred twenty-three thousand, twelve".