1225143500232 has 32 divisors (see below), whose sum is σ = 3161660647680. Its totient is φ = 395207580480.

The previous prime is 1225143500177. The next prime is 1225143500281. The reversal of 1225143500232 is 2320053415221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225143500232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823348383 + ... + 823349870.

It is an arithmetic number, because the mean of its divisors is an integer number (98801895240).

Almost surely, 2^{1225143500232} is an apocalyptic number.

1225143500232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1225143500232 is an abundant number, since it is smaller than the sum of its proper divisors (1936517147448).

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

1225143500232 is a wasteful number, since it uses less digits than its factorization.

1225143500232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646698293 (or 1646698289 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1225143500232 its reverse (2320053415221), we get a palindrome (3545196915453).

The spelling of 1225143500232 in words is "one trillion, two hundred twenty-five billion, one hundred forty-three million, five hundred thousand, two hundred thirty-two".