12123032020121 has 8 divisors (see below), whose sum is σ = 13236137616288. Its totient is φ = 11011761720000.

The previous prime is 12123032020069. The next prime is 12123032020213. The reversal of 12123032020121 is 12102023032121.

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 12123032020121 - 2¹⁴ = 12123032003737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12123032020093 and 12123032020102.

It is not an unprimeable number, because it can be changed into a prime (12123032040121) 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, 458810195 + ... + 458836616.

It is an arithmetic number, because the mean of its divisors is an integer number (1654517202036).

Almost surely, 2^{12123032020121} is an apocalyptic number.

12123032020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12123032020121 is a deficient number, since it is larger than the sum of its proper divisors (1113105596167).

12123032020121 is a wasteful number, since it uses less digits than its factorization.

12123032020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917648023.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12123032020121 its reverse (12102023032121), we get a palindrome (24225055052242).

The spelling of 12123032020121 in words is "twelve trillion, one hundred twenty-three billion, thirty-two million, twenty thousand, one hundred twenty-one".