1232451455500 has 48 divisors (see below), whose sum is σ = 2695258919808. Its totient is φ = 492324000000.

The previous prime is 1232451455461. The next prime is 1232451455503. The reversal of 1232451455500 is 55541542321.

It is a self number, because there is not a number n which added to its sum of digits gives 1232451455500.

It is not an unprimeable number, because it can be changed into a prime (1232451455503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265581 + ... + 2016580.

It is an arithmetic number, because the mean of its divisors is an integer number (56151227496).

Almost surely, 2^{1232451455500} is an apocalyptic number.

1232451455500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232451455500 is an abundant number, since it is smaller than the sum of its proper divisors (1462807464308).

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

1232451455500 is a wasteful number, since it uses less digits than its factorization.

1232451455500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282931 (or 3282919 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 1232451455500 its reverse (55541542321), we get a palindrome (1287992997821).

The spelling of 1232451455500 in words is "one trillion, two hundred thirty-two billion, four hundred fifty-one million, four hundred fifty-five thousand, five hundred".