121314012241123 has 16 divisors (see below), whose sum is σ = 133411351903200. Its totient is φ = 109621281878784.

The previous prime is 121314012241111. The next prime is 121314012241157. The reversal of 121314012241123 is 321142210413121.

It is a de Polignac number, because none of the positive numbers 2^k-121314012241123 is a prime.

It is a super-2 number, since 2×121314012241123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121314012241091 and 121314012241100.

It is not an unprimeable number, because it can be changed into a prime (121314012241223) 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, 198422298 + ... + 199032751.

It is an arithmetic number, because the mean of its divisors is an integer number (8338209493950).

Almost surely, 2^{121314012241123} is an apocalyptic number.

121314012241123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121314012241123 is a deficient number, since it is larger than the sum of its proper divisors (12097339662077).

121314012241123 is a wasteful number, since it uses less digits than its factorization.

121314012241123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397455558.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 121314012241123 its reverse (321142210413121), we get a palindrome (442456222654244).

The spelling of 121314012241123 in words is "one hundred twenty-one trillion, three hundred fourteen billion, twelve million, two hundred forty-one thousand, one hundred twenty-three".