1299430512 has 50 divisors (see below), whose sum is σ = 3760932648. Its totient is φ = 433143072.

The previous prime is 1299430511. The next prime is 1299430543. The reversal of 1299430512 is 2150349921.

1299430512 is a `hidden beast` number, since 1 + 29 + 94 + 30 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299430511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 500028 + ... + 502619.

Almost surely, 2^1299430512 is an apocalyptic number.

1299430512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1299430512 is an abundant number, since it is smaller than the sum of its proper divisors (2461502136).

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

1299430512 is a wasteful number, since it uses less digits than its factorization.

1299430512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002667 (or 1002652 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1299430512 is about 36047.6145119202. The cubic root of 1299430512 is about 1091.2334917969.

The spelling of 1299430512 in words is "one billion, two hundred ninety-nine million, four hundred thirty thousand, five hundred twelve".