12354739268 has 24 divisors (see below), whose sum is σ = 22489947480. Its totient is φ = 5931394560.

The previous prime is 12354739261. The next prime is 12354739291. The reversal of 12354739268 is 86293745321.

It can be written as a sum of positive squares in 4 ways, for example, as 2258910784 + 10095828484 = 47528^2 + 100478^2 .

It is a super-2 number, since 2×12354739268² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12354739261) 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, 273221 + ... + 315212.

It is an arithmetic number, because the mean of its divisors is an integer number (937081145).

Almost surely, 2^12354739268 is an apocalyptic number.

It is an amenable number.

12354739268 is a deficient number, since it is larger than the sum of its proper divisors (10135208212).

12354739268 is a wasteful number, since it uses less digits than its factorization.

12354739268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588647 (or 588645 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 50.

The spelling of 12354739268 in words is "twelve billion, three hundred fifty-four million, seven hundred thirty-nine thousand, two hundred sixty-eight".