1202430144221 has 4 divisors (see below), whose sum is σ = 1207822207872. Its totient is φ = 1197038080572.

The previous prime is 1202430144211. The next prime is 1202430144229. The reversal of 1202430144221 is 1224410342021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1202430144221 - 2³⁰ = 1201356402397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202430144229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2696031491 + ... + 2696031936.

It is an arithmetic number, because the mean of its divisors is an integer number (301955551968).

Almost surely, 2^{1202430144221} is an apocalyptic number.

It is an amenable number.

1202430144221 is a deficient number, since it is larger than the sum of its proper divisors (5392063651).

1202430144221 is an equidigital number, since it uses as much as digits as its factorization.

1202430144221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392063650.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1202430144221 its reverse (1224410342021), we get a palindrome (2426840486242).

The spelling of 1202430144221 in words is "one trillion, two hundred two billion, four hundred thirty million, one hundred forty-four thousand, two hundred twenty-one".