1312300032021 has 48 divisors (see below), whose sum is σ = 2124045792960. Its totient is φ = 773731906560.

The previous prime is 1312300032011. The next prime is 1312300032073. The reversal of 1312300032021 is 1202300032131.

1312300032021 is a `hidden beast` number, since 1 + 312 + 30 + 0 + 0 + 320 + 2 + 1 = 666.

It is not a de Polignac number, because 1312300032021 - 2¹³ = 1312300023829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312300031985 and 1312300032003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312300032011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32686866 + ... + 32726988.

It is an arithmetic number, because the mean of its divisors is an integer number (44250954020).

Almost surely, 2^{1312300032021} is an apocalyptic number.

1312300032021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1312300032021 is a deficient number, since it is larger than the sum of its proper divisors (811745760939).

1312300032021 is a wasteful number, since it uses less digits than its factorization.

1312300032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49106 (or 49103 counting only the distinct ones).

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

Adding to 1312300032021 its reverse (1202300032131), we get a palindrome (2514600064152).

The spelling of 1312300032021 in words is "one trillion, three hundred twelve billion, three hundred million, thirty-two thousand, twenty-one".