12115104250420 has 12 divisors (see below), whose sum is σ = 25441718925924. Its totient is φ = 4846041700160.

The previous prime is 12115104250393. The next prime is 12115104250421. The reversal of 12115104250420 is 2405240151121.

It can be written as a sum of positive squares in 2 ways, for example, as 1736565212944 + 10378539037476 = 1317788^2 + 3221574^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12115104250421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302877606241 + ... + 302877606280.

It is an arithmetic number, because the mean of its divisors is an integer number (2120143243827).

Almost surely, 2^{12115104250420} is an apocalyptic number.

12115104250420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12115104250420 is an abundant number, since it is smaller than the sum of its proper divisors (13326614675504).

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

12115104250420 is a wasteful number, since it uses less digits than its factorization.

12115104250420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605755212530 (or 605755212528 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The spelling of 12115104250420 in words is "twelve trillion, one hundred fifteen billion, one hundred four million, two hundred fifty thousand, four hundred twenty".