1224310232540 has 24 divisors (see below), whose sum is σ = 2706369988560. Its totient is φ = 463949140608.

The previous prime is 1224310232429. The next prime is 1224310232543. The reversal of 1224310232540 is 452320134221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224310232543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1610934137 + ... + 1610934896.

It is an arithmetic number, because the mean of its divisors is an integer number (112765416190).

Almost surely, 2^{1224310232540} is an apocalyptic number.

1224310232540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224310232540 is an abundant number, since it is smaller than the sum of its proper divisors (1482059756020).

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

1224310232540 is a wasteful number, since it uses less digits than its factorization.

1224310232540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221869061 (or 3221869059 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1224310232540 its reverse (452320134221), we get a palindrome (1676630366761).

The spelling of 1224310232540 in words is "one trillion, two hundred twenty-four billion, three hundred ten million, two hundred thirty-two thousand, five hundred forty".