121320130001 has 16 divisors (see below), whose sum is σ = 142440412800. Its totient is φ = 101161595520.

The previous prime is 121320129923. The next prime is 121320130109. The reversal of 121320130001 is 100031023121.

It is a cyclic number.

It is not a de Polignac number, because 121320130001 - 2¹⁰ = 121320128977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121320130201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505451 + ... + 705776.

It is an arithmetic number, because the mean of its divisors is an integer number (8902525800).

Almost surely, 2^121320130001 is an apocalyptic number.

It is an amenable number.

121320130001 is a deficient number, since it is larger than the sum of its proper divisors (21120282799).

121320130001 is a wasteful number, since it uses less digits than its factorization.

121320130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211624.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121320130001 its reverse (100031023121), we get a palindrome (221351153122).

The spelling of 121320130001 in words is "one hundred twenty-one billion, three hundred twenty million, one hundred thirty thousand, one".