121320112112123 has 8 divisors (see below), whose sum is σ = 123901964808768. Its totient is φ = 118738283320384.

The previous prime is 121320112112107. The next prime is 121320112112161. The reversal of 121320112112123 is 321211211023121.

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 121320112112123 - 2⁴ = 121320112112107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121320112112183) 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, 4474415 + ... + 16206807.

It is an arithmetic number, because the mean of its divisors is an integer number (15487745601096).

Almost surely, 2^{121320112112123} is an apocalyptic number.

121320112112123 is a deficient number, since it is larger than the sum of its proper divisors (2581852696645).

121320112112123 is a wasteful number, since it uses less digits than its factorization.

121320112112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11952453.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 121320112112123 its reverse (321211211023121), we get a palindrome (442531323135244).

The spelling of 121320112112123 in words is "one hundred twenty-one trillion, three hundred twenty billion, one hundred twelve million, one hundred twelve thousand, one hundred twenty-three".