123021121000003 has 8 divisors (see below), whose sum is σ = 123776154222800. Its totient is φ = 122266091465568.

The previous prime is 123021120999991. The next prime is 123021121000007. The reversal of 123021121000003 is 300000121120321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123021121000003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123021121000007) 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, 99334393 + ... + 100565221.

It is an arithmetic number, because the mean of its divisors is an integer number (15472019277850).

Almost surely, 2^{123021121000003} is an apocalyptic number.

123021121000003 is a deficient number, since it is larger than the sum of its proper divisors (755033222797).

123021121000003 is a wasteful number, since it uses less digits than its factorization.

123021121000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844181.

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

Adding to 123021121000003 its reverse (300000121120321), we get a palindrome (423021242120324).

The spelling of 123021121000003 in words is "one hundred twenty-three trillion, twenty-one billion, one hundred twenty-one million, three", and thus it is an aban number.