202012402321 has 8 divisors (see below), whose sum is σ = 210878308800. Its totient is φ = 193153392432.

The previous prime is 202012402301. The next prime is 202012402369. The reversal of 202012402321 is 123204210202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202012402321 - 2²⁹ = 201475531409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202012402301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664235 + ... + 1781488.

It is an arithmetic number, because the mean of its divisors is an integer number (26359788600).

Almost surely, 2^202012402321 is an apocalyptic number.

It is an amenable number.

202012402321 is a deficient number, since it is larger than the sum of its proper divisors (8865906479).

202012402321 is a wasteful number, since it uses less digits than its factorization.

202012402321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448295.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 202012402321 its reverse (123204210202), we get a palindrome (325216612523).

The spelling of 202012402321 in words is "two hundred two billion, twelve million, four hundred two thousand, three hundred twenty-one".