121043212300023 has 16 divisors (see below), whose sum is σ = 173954063208576. Its totient is φ = 74424519917280.

The previous prime is 121043212300019. The next prime is 121043212300103. The reversal of 121043212300023 is 320003212340121.

It is not a de Polignac number, because 121043212300023 - 2² = 121043212300019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121043212299966 and 121043212300002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121043212800023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325177265 + ... + 1325268602.

It is an arithmetic number, because the mean of its divisors is an integer number (10872128950536).

Almost surely, 2^{121043212300023} is an apocalyptic number.

121043212300023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121043212300023 is a deficient number, since it is larger than the sum of its proper divisors (52910850908553).

121043212300023 is a wasteful number, since it uses less digits than its factorization.

121043212300023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650447054.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121043212300023 its reverse (320003212340121), we get a palindrome (441046424640144).

The spelling of 121043212300023 in words is "one hundred twenty-one trillion, forty-three billion, two hundred twelve million, three hundred thousand, twenty-three".