12205125145304 has 48 divisors (see below), whose sum is σ = 28320429881520. Its totient is φ = 4828401152640.

The previous prime is 12205125145259. The next prime is 12205125145319. The reversal of 12205125145304 is 40354152150221.

It is a super-2 number, since 2×12205125145304² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 644809067 + ... + 644827994.

It is an arithmetic number, because the mean of its divisors is an integer number (590008955865).

Almost surely, 2^{12205125145304} is an apocalyptic number.

12205125145304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12205125145304 is an abundant number, since it is smaller than the sum of its proper divisors (16115304736216).

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

12205125145304 is a wasteful number, since it uses less digits than its factorization.

12205125145304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289637100 (or 1289637083 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 12205125145304 its reverse (40354152150221), we get a palindrome (52559277295525).

The spelling of 12205125145304 in words is "twelve trillion, two hundred five billion, one hundred twenty-five million, one hundred forty-five thousand, three hundred four".