2302012012221 has 12 divisors (see below), whose sum is σ = 3500135223520. Its totient is φ = 1453902323400.

The previous prime is 2302012012213. The next prime is 2302012012243. The reversal of 2302012012221 is 1222102102032.

2302012012221 is a `hidden beast` number, since 230 + 201 + 2 + 0 + 12 + 221 = 666.

It is not a de Polignac number, because 2302012012221 - 2³ = 2302012012213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2302012012194 and 2302012012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302012012121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6731029105 + ... + 6731029446.

Almost surely, 2^{2302012012221} is an apocalyptic number.

It is an amenable number.

2302012012221 is a deficient number, since it is larger than the sum of its proper divisors (1198123211299).

2302012012221 is a wasteful number, since it uses less digits than its factorization.

2302012012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13462058576 (or 13462058573 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2302012012221 its reverse (1222102102032), we get a palindrome (3524114114253).

It can be divided in two parts, 230201 and 2012221, that added together give a palindrome (2242422).

The spelling of 2302012012221 in words is "two trillion, three hundred two billion, twelve million, twelve thousand, two hundred twenty-one".