12202453440 has 112 divisors (see below), whose sum is σ = 43047574560. Its totient is φ = 3253985280.

The previous prime is 12202453421. The next prime is 12202453519. The reversal of 12202453440 is 4435420221.

12202453440 is a `hidden beast` number, since 1 + 2 + 202 + 453 + 4 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697521 + ... + 714800.

Almost surely, 2^12202453440 is an apocalyptic number.

12202453440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202453440 is an abundant number, since it is smaller than the sum of its proper divisors (30845121120).

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

12202453440 is a wasteful number, since it uses less digits than its factorization.

12202453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412347 (or 1412331 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 12202453440 its reverse (4435420221), we get a palindrome (16637873661).

The spelling of 12202453440 in words is "twelve billion, two hundred two million, four hundred fifty-three thousand, four hundred forty".