1312260300 has 216 divisors, whose sum is σ = 4507055280. Its totient is φ = 317376000.

The previous prime is 1312260263. The next prime is 1312260347. The reversal of 1312260300 is 30622131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 689350 + ... + 691250.

Almost surely, 2^1312260300 is an apocalyptic number.

1312260300 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 1312260300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2253527640).

1312260300 is an abundant number, since it is smaller than the sum of its proper divisors (3194794980).

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

1312260300 is a wasteful number, since it uses less digits than its factorization.

1312260300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1312260300 is about 36225.1335401265. The cubic root of 1312260300 is about 1094.8131288037.

Adding to 1312260300 its reverse (30622131), we get a palindrome (1342882431).

The spelling of 1312260300 in words is "one billion, three hundred twelve million, two hundred sixty thousand, three hundred".