1321200302130 has 48 divisors (see below), whose sum is σ = 3449374455384. Its totient is φ = 350858165760.

The previous prime is 1321200302119. The next prime is 1321200302141. The reversal of 1321200302130 is 312030021231.

1321200302130 is a `hidden beast` number, since 1 + 32 + 1 + 200 + 302 + 130 = 666.

It is an interprime number because it is at equal distance from previous prime (1321200302119) and next prime (1321200302141).

It can be written as a sum of positive squares in 4 ways, for example, as 807803690841 + 513396611289 = 898779^2 + 716517^2 .

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 23 ways as a sum of consecutive naturals, for example, 30434749 + ... + 30478128.

Almost surely, 2^{1321200302130} is an apocalyptic number.

1321200302130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321200302130 is an abundant number, since it is smaller than the sum of its proper divisors (2128174153254).

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

1321200302130 is a wasteful number, since it uses less digits than its factorization.

1321200302130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60913131 (or 60913128 counting only the distinct ones).

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

Adding to 1321200302130 its reverse (312030021231), we get a palindrome (1633230323361).

The spelling of 1321200302130 in words is "one trillion, three hundred twenty-one billion, two hundred million, three hundred two thousand, one hundred thirty".