12253020340 has 24 divisors (see below), whose sum is σ = 28070556192. Its totient is φ = 4455643680.

The previous prime is 12253020319. The next prime is 12253020359. The reversal of 12253020340 is 4302035221.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 27847554 + ... + 27847993.

It is an arithmetic number, because the mean of its divisors is an integer number (1169606508).

Almost surely, 2^12253020340 is an apocalyptic number.

12253020340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12253020340 is an abundant number, since it is smaller than the sum of its proper divisors (15817535852).

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

12253020340 is a wasteful number, since it uses less digits than its factorization.

12253020340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55695567 (or 55695565 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 12253020340 its reverse (4302035221), we get a palindrome (16555055561).

It can be divided in two parts, 12 and 253020340, that added together give a palindrome (253020352).

The spelling of 12253020340 in words is "twelve billion, two hundred fifty-three million, twenty thousand, three hundred forty".