121300000001 has 4 divisors (see below), whose sum is σ = 121410980052. Its totient is φ = 121189019952.

The previous prime is 121299999941. The next prime is 121300000007. The reversal of 121300000001 is 100000003121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118842220225 + 2457779776 = 344735^2 + 49576^2 .

It is a cyclic number.

It is not a de Polignac number, because 121300000001 - 2²⁶ = 121232891137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121300000007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55488386 + ... + 55490571.

It is an arithmetic number, because the mean of its divisors is an integer number (30352745013).

Almost surely, 2^121300000001 is an apocalyptic number.

It is an amenable number.

121300000001 is a deficient number, since it is larger than the sum of its proper divisors (110980051).

121300000001 is a wasteful number, since it uses less digits than its factorization.

121300000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110980050.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 121300000001 its reverse (100000003121), we get a palindrome (221300003122).

The spelling of 121300000001 in words is "one hundred twenty-one billion, three hundred million, one", and thus it is an aban number.