123101143012 has 12 divisors (see below), whose sum is σ = 215913294576. Its totient is φ = 61411630280.

The previous prime is 123101143001. The next prime is 123101143037. The reversal of 123101143012 is 210341101321.

It is a super-3 number, since 3×123101143012³ (a number of 34 digits) contains 333 as substring.

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, 34733314 + ... + 34736857.

It is an arithmetic number, because the mean of its divisors is an integer number (17992774548).

Almost surely, 2^123101143012 is an apocalyptic number.

It is an amenable number.

123101143012 is a deficient number, since it is larger than the sum of its proper divisors (92812151564).

123101143012 is a wasteful number, since it uses less digits than its factorization.

123101143012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69470618 (or 69470616 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123101143012 its reverse (210341101321), we get a palindrome (333442244333).

The spelling of 123101143012 in words is "one hundred twenty-three billion, one hundred one million, one hundred forty-three thousand, twelve".