12302589428 has 6 divisors (see below), whose sum is σ = 21529531506. Its totient is φ = 6151294712.

The previous prime is 12302589419. The next prime is 12302589457. The reversal of 12302589428 is 82498520321.

It can be written as a sum of positive squares in only one way, i.e., 12162119524 + 140469904 = 110282^2 + 11852^2 .

It is a super-3 number, since 3×12302589428³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1537823675 + ... + 1537823682.

It is an arithmetic number, because the mean of its divisors is an integer number (3588255251).

Almost surely, 2^12302589428 is an apocalyptic number.

It is an amenable number.

12302589428 is a deficient number, since it is larger than the sum of its proper divisors (9226942078).

12302589428 is a wasteful number, since it uses less digits than its factorization.

12302589428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075647361 (or 3075647359 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 12302589428 in words is "twelve billion, three hundred two million, five hundred eighty-nine thousand, four hundred twenty-eight".