12253111243021 has 16 divisors (see below), whose sum is σ = 13739789706048. Its totient is φ = 10830413852800.

The previous prime is 12253111242997. The next prime is 12253111243033. The reversal of 12253111243021 is 12034211135221.

12253111243021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12253111243021 - 2¹³ = 12253111234829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12259111243021) 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, 46230931 + ... + 46495216.

It is an arithmetic number, because the mean of its divisors is an integer number (858736856628).

Almost surely, 2^{12253111243021} is an apocalyptic number.

12253111243021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12253111243021 is a deficient number, since it is larger than the sum of its proper divisors (1486678463027).

12253111243021 is a wasteful number, since it uses less digits than its factorization.

12253111243021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92726492.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 12253111243021 its reverse (12034211135221), we get a palindrome (24287322378242).

The spelling of 12253111243021 in words is "twelve trillion, two hundred fifty-three billion, one hundred eleven million, two hundred forty-three thousand, twenty-one".