1312231134200 has 48 divisors (see below), whose sum is σ = 3486785588880. Its totient is φ = 449907816960.

The previous prime is 1312231134187. The next prime is 1312231134217. The reversal of 1312231134200 is 24311322131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468652577 + ... + 468655376.

It is an arithmetic number, because the mean of its divisors is an integer number (72641366435).

Almost surely, 2^{1312231134200} is an apocalyptic number.

1312231134200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312231134200 is an abundant number, since it is smaller than the sum of its proper divisors (2174554454680).

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

1312231134200 is a wasteful number, since it uses less digits than its factorization.

1312231134200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937307976 (or 937307967 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1312231134200 its reverse (24311322131), we get a palindrome (1336542456331).

The spelling of 1312231134200 in words is "one trillion, three hundred twelve billion, two hundred thirty-one million, one hundred thirty-four thousand, two hundred".