1213242320300 has 72 divisors (see below), whose sum is σ = 2758698432000. Its totient is φ = 462254605120.

The previous prime is 1213242320237. The next prime is 1213242320309. The reversal of 1213242320300 is 30232423121.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1213242320309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 553850 + ... + 1653249.

It is an arithmetic number, because the mean of its divisors is an integer number (38315256000).

Almost surely, 2^{1213242320300} is an apocalyptic number.

1213242320300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213242320300 is an abundant number, since it is smaller than the sum of its proper divisors (1545456111700).

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

1213242320300 is a wasteful number, since it uses less digits than its factorization.

1213242320300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207375 (or 2207368 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1213242320300 its reverse (30232423121), we get a palindrome (1243474743421).

The spelling of 1213242320300 in words is "one trillion, two hundred thirteen billion, two hundred forty-two million, three hundred twenty thousand, three hundred".