1312030200 has 192 divisors, whose sum is σ = 4455964800. Its totient is φ = 317376000.

The previous prime is 1312030189. The next prime is 1312030201. The reversal of 1312030200 is 20302131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312030201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 458775 + ... + 461625.

It is an arithmetic number, because the mean of its divisors is an integer number (23208150).

Almost surely, 2^1312030200 is an apocalyptic number.

1312030200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312030200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2227982400).

1312030200 is an abundant number, since it is smaller than the sum of its proper divisors (3143934600).

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

1312030200 is a wasteful number, since it uses less digits than its factorization.

1312030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942 (or 2933 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1312030200 is about 36221.9574291617. The cubic root of 1312030200 is about 1094.7491345828.

Adding to 1312030200 its reverse (20302131), we get a palindrome (1332332331).

The spelling of 1312030200 in words is "one billion, three hundred twelve million, thirty thousand, two hundred".