1202350030421 has 4 divisors (see below), whose sum is σ = 1202352223500. Its totient is φ = 1202347837344.

The previous prime is 1202350030397. The next prime is 1202350030487. The reversal of 1202350030421 is 1240300532021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 470615208196 + 731734822225 = 686014^2 + 855415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202350030421 - 2¹⁴ = 1202350014037 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 (1202350033421) 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, 537905 + ... + 1641353.

It is an arithmetic number, because the mean of its divisors is an integer number (300588055875).

Almost surely, 2^{1202350030421} is an apocalyptic number.

It is an amenable number.

1202350030421 is a deficient number, since it is larger than the sum of its proper divisors (2193079).

1202350030421 is a wasteful number, since it uses less digits than its factorization.

1202350030421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193078.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 1202350030421 its reverse (1240300532021), we get a palindrome (2442650562442).

The spelling of 1202350030421 in words is "one trillion, two hundred two billion, three hundred fifty million, thirty thousand, four hundred twenty-one".