12265166305420 has 24 divisors (see below), whose sum is σ = 29436399133344. Its totient is φ = 4205199876096.

The previous prime is 12265166305409. The next prime is 12265166305489. The reversal of 12265166305420 is 2450366156221.

12265166305420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12265166305420² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43804165237 + ... + 43804165516.

It is an arithmetic number, because the mean of its divisors is an integer number (1226516630556).

Almost surely, 2^{12265166305420} is an apocalyptic number.

12265166305420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12265166305420 is an abundant number, since it is smaller than the sum of its proper divisors (17171232827924).

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

12265166305420 is a wasteful number, since it uses less digits than its factorization.

12265166305420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87608330769 (or 87608330767 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 12265166305420 in words is "twelve trillion, two hundred sixty-five billion, one hundred sixty-six million, three hundred five thousand, four hundred twenty".