1199429012 has 12 divisors (see below), whose sum is σ = 2108010996. Its totient is φ = 597140160.

The previous prime is 1199428961. The next prime is 1199429041. The reversal of 1199429012 is 2109249911.

It can be written as a sum of positive squares in 2 ways, for example, as 724363396 + 475065616 = 26914^2 + 21796^2 .

It is a super-3 number, since 3×1199429012³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642539 + ... + 644402.

It is an arithmetic number, because the mean of its divisors is an integer number (175667583).

Almost surely, 2^1199429012 is an apocalyptic number.

It is an amenable number.

1199429012 is a deficient number, since it is larger than the sum of its proper divisors (908581984).

1199429012 is a wasteful number, since it uses less digits than its factorization.

1199429012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287178 (or 1287176 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 1199429012 is about 34632.7736688819. The cubic root of 1199429012 is about 1062.4899965287.

The spelling of 1199429012 in words is "one billion, one hundred ninety-nine million, four hundred twenty-nine thousand, twelve".