12121301103 has 8 divisors (see below), whose sum is σ = 16683081216. Its totient is φ = 7820194200.

The previous prime is 12121300999. The next prime is 12121301107. The reversal of 12121301103 is 30110312121.

It is a happy number.

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

It is not a de Polignac number, because 12121301103 - 2⁸ = 12121300847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121301107) 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, 65168193 + ... + 65168378.

It is an arithmetic number, because the mean of its divisors is an integer number (2085385152).

Almost surely, 2^12121301103 is an apocalyptic number.

12121301103 is a deficient number, since it is larger than the sum of its proper divisors (4561780113).

12121301103 is a wasteful number, since it uses less digits than its factorization.

12121301103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130336605.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12121301103 its reverse (30110312121), we get a palindrome (42231613224).

It can be divided in two parts, 12121 and 301103, that multiplied together give a palindrome (3649669463).

The spelling of 12121301103 in words is "twelve billion, one hundred twenty-one million, three hundred one thousand, one hundred three".