1321211300130 has 24 divisors (see below), whose sum is σ = 3435149380572. Its totient is φ = 352323013344.

The previous prime is 1321211300099. The next prime is 1321211300159. The reversal of 1321211300130 is 310031121231.

1321211300130 is a `hidden beast` number, since 1 + 3 + 21 + 211 + 300 + 130 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1289217180969 + 31994119161 = 1135437^2 + 178869^2 .

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

It is a Curzon 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, 7340062689 + ... + 7340062868.

Almost surely, 2^{1321211300130} is an apocalyptic number.

1321211300130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321211300130 is an abundant number, since it is smaller than the sum of its proper divisors (2113938080442).

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

1321211300130 is a wasteful number, since it uses less digits than its factorization.

1321211300130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14680125570 (or 14680125567 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1321211300130 its reverse (310031121231), we get a palindrome (1631242421361).

The spelling of 1321211300130 in words is "one trillion, three hundred twenty-one billion, two hundred eleven million, three hundred thousand, one hundred thirty".