123101203112 has 16 divisors (see below), whose sum is σ = 238260393600. Its totient is φ = 59565098160.

The previous prime is 123101203067. The next prime is 123101203153. The reversal of 123101203112 is 211302101321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248187662 + ... + 248188157.

It is an arithmetic number, because the mean of its divisors is an integer number (14891274600).

Almost surely, 2^123101203112 is an apocalyptic number.

It is an amenable number.

123101203112 is a deficient number, since it is larger than the sum of its proper divisors (115159190488).

123101203112 is a wasteful number, since it uses less digits than its factorization.

123101203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496375856 (or 496375852 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123101203112 its reverse (211302101321), we get a palindrome (334403304433).

The spelling of 123101203112 in words is "one hundred twenty-three billion, one hundred one million, two hundred three thousand, one hundred twelve".