1230121223103 has 8 divisors (see below), whose sum is σ = 1655490244608. Its totient is φ = 812416508504.

The previous prime is 1230121223053. The next prime is 1230121223161. The reversal of 1230121223103 is 3013221210321.

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

It is a cyclic number.

It is not a de Polignac number, because 1230121223103 - 2⁶ = 1230121223039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230121223103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230121224103) 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, 1916076351 + ... + 1916076992.

It is an arithmetic number, because the mean of its divisors is an integer number (206936280576).

Almost surely, 2^{1230121223103} is an apocalyptic number.

1230121223103 is a deficient number, since it is larger than the sum of its proper divisors (425369021505).

1230121223103 is a wasteful number, since it uses less digits than its factorization.

1230121223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832153453.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1230121223103 its reverse (3013221210321), we get a palindrome (4243342433424).

The spelling of 1230121223103 in words is "one trillion, two hundred thirty billion, one hundred twenty-one million, two hundred twenty-three thousand, one hundred three".