1302434242021 has 16 divisors (see below), whose sum is σ = 1423275638400. Its totient is φ = 1181999966400.

The previous prime is 1302434242009. The next prime is 1302434242069. The reversal of 1302434242021 is 1202424342031.

It is not a de Polignac number, because 1302434242021 - 2⁹ = 1302434241509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302434242001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42730975 + ... + 42761443.

It is an arithmetic number, because the mean of its divisors is an integer number (88954727400).

Almost surely, 2^{1302434242021} is an apocalyptic number.

1302434242021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1302434242021 is a deficient number, since it is larger than the sum of its proper divisors (120841396379).

1302434242021 is a wasteful number, since it uses less digits than its factorization.

1302434242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37020.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1302434242021 its reverse (1202424342031), we get a palindrome (2504858584052).

The spelling of 1302434242021 in words is "one trillion, three hundred two billion, four hundred thirty-four million, two hundred forty-two thousand, twenty-one".