1312443142300 has 36 divisors (see below), whose sum is σ = 2848210124760. Its totient is φ = 524938822720.

The previous prime is 1312443142273. The next prime is 1312443142301. The reversal of 1312443142300 is 32413442131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312443142301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 912402 + ... + 1859398.

It is an arithmetic number, because the mean of its divisors is an integer number (79116947910).

Almost surely, 2^{1312443142300} is an apocalyptic number.

1312443142300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312443142300 is an abundant number, since it is smaller than the sum of its proper divisors (1535766982460).

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

1312443142300 is a wasteful number, since it uses less digits than its factorization.

1312443142300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960870 (or 960863 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1312443142300 its reverse (32413442131), we get a palindrome (1344856584431).

The spelling of 1312443142300 in words is "one trillion, three hundred twelve billion, four hundred forty-three million, one hundred forty-two thousand, three hundred".