121231011233024 has 216 divisors, whose sum is σ = 304520063373120. Its totient is φ = 47149803233280.

The previous prime is 121231011233023. The next prime is 121231011233083. The reversal of 121231011233024 is 420332110132121.

It is a junction number, because it is equal to n+sod(n) for n = 121231011232984 and 121231011233002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121231011233023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122886107 + ... + 123868709.

Almost surely, 2^{121231011233024} is an apocalyptic number.

121231011233024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121231011233024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152260031686560).

121231011233024 is an abundant number, since it is smaller than the sum of its proper divisors (183289052140096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121231011233024 is an equidigital number, since it uses as much as digits as its factorization.

121231011233024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983217 (or 983192 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 121231011233024 its reverse (420332110132121), we get a palindrome (541563121365145).

The spelling of 121231011233024 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, eleven million, two hundred thirty-three thousand, twenty-four".