12652273240 has 32 divisors (see below), whose sum is σ = 28471862880. Its totient is φ = 5060154112.

The previous prime is 12652273199. The next prime is 12652273267. The reversal of 12652273240 is 4237225621.

It is a junction number, because it is equal to n+sod(n) for n = 12652273196 and 12652273205.

It is a congruent number.

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, 303924 + ... + 343036.

It is an arithmetic number, because the mean of its divisors is an integer number (889745715).

Almost surely, 2^12652273240 is an apocalyptic number.

12652273240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12652273240 is an abundant number, since it is smaller than the sum of its proper divisors (15819589640).

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

12652273240 is a wasteful number, since it uses less digits than its factorization.

12652273240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47211 (or 47207 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 12652273240 its reverse (4237225621), we get a palindrome (16889498861).

The spelling of 12652273240 in words is "twelve billion, six hundred fifty-two million, two hundred seventy-three thousand, two hundred forty".