12265045740 has 144 divisors (see below), whose sum is σ = 38077079040. Its totient is φ = 3194225280.

The previous prime is 12265045679. The next prime is 12265045753. The reversal of 12265045740 is 4754056221.

It is a happy number.

12265045740 is a `hidden beast` number, since 1 + 22 + 65 + 0 + 4 + 574 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12265045695 and 12265045704.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4829391 + ... + 4831929.

It is an arithmetic number, because the mean of its divisors is an integer number (264424160).

Almost surely, 2^12265045740 is an apocalyptic number.

12265045740 is a gapful number since it is divisible by the number (10) 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 12265045740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19038539520).

12265045740 is an abundant number, since it is smaller than the sum of its proper divisors (25812033300).

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

12265045740 is a wasteful number, since it uses less digits than its factorization.

12265045740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172 (or 3167 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 12265045740 in words is "twelve billion, two hundred sixty-five million, forty-five thousand, seven hundred forty".