12698751330 has 48 divisors (see below), whose sum is σ = 33047107704. Its totient is φ = 3383220480.

The previous prime is 12698751301. The next prime is 12698751347. The reversal of 12698751330 is 3315789621.

12698751330 is a `hidden beast` number, since 1 + 26 + 9 + 87 + 513 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6019121889 + 6679629441 = 77583^2 + 81729^2 .

It is a super-3 number, since 3×12698751330³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34420 + ... + 163040.

Almost surely, 2^12698751330 is an apocalyptic number.

12698751330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12698751330 is an abundant number, since it is smaller than the sum of its proper divisors (20348356374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12698751330 is a wasteful number, since it uses less digits than its factorization.

12698751330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129731 (or 129728 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 12698751330 in words is "twelve billion, six hundred ninety-eight million, seven hundred fifty-one thousand, three hundred thirty".