1300243043220 has 96 divisors (see below), whose sum is σ = 4180685806080. Its totient is φ = 298620408960.

The previous prime is 1300243043207. The next prime is 1300243043233. The reversal of 1300243043220 is 223403420031.

It is an interprime number because it is at equal distance from previous prime (1300243043207) and next prime (1300243043233).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51831282 + ... + 51856361.

It is an arithmetic number, because the mean of its divisors is an integer number (43548810480).

Almost surely, 2^{1300243043220} is an apocalyptic number.

1300243043220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300243043220 is an abundant number, since it is smaller than the sum of its proper divisors (2880442762860).

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

1300243043220 is a wasteful number, since it uses less digits than its factorization.

1300243043220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103687685 (or 103687683 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1300243043220 its reverse (223403420031), we get a palindrome (1523646463251).

The spelling of 1300243043220 in words is "one trillion, three hundred billion, two hundred forty-three million, forty-three thousand, two hundred twenty".