121212230310103 has 8 divisors (see below), whose sum is σ = 122393353392128. Its totient is φ = 120031190022744.

The previous prime is 121212230309983. The next prime is 121212230310131. The reversal of 121212230310103 is 301013032212121.

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-121212230310103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121212230310503) 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, 17754351 + ... + 23614432.

It is an arithmetic number, because the mean of its divisors is an integer number (15299169174016).

Almost surely, 2^{121212230310103} is an apocalyptic number.

121212230310103 is a deficient number, since it is larger than the sum of its proper divisors (1181123082025).

121212230310103 is a wasteful number, since it uses less digits than its factorization.

121212230310103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41397333.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121212230310103 its reverse (301013032212121), we get a palindrome (422225262522224).

The spelling of 121212230310103 in words is "one hundred twenty-one trillion, two hundred twelve billion, two hundred thirty million, three hundred ten thousand, one hundred three".