1206378012 has 24 divisors (see below), whose sum is σ = 3217008256. Its totient is φ = 344679408.

The previous prime is 1206378011. The next prime is 1206378013. The reversal of 1206378012 is 2108736021.

It is an interprime number because it is at equal distance from previous prime (1206378011) and next prime (1206378013).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206378011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7180738 + ... + 7180905.

Almost surely, 2^1206378012 is an apocalyptic number.

1206378012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1206378012 is an abundant number, since it is smaller than the sum of its proper divisors (2010630244).

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

1206378012 is a wasteful number, since it uses less digits than its factorization.

1206378012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14361657 (or 14361655 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1206378012 is about 34732.9528258108. The cubic root of 1206378012 is about 1064.5379238159.

The spelling of 1206378012 in words is "one billion, two hundred six million, three hundred seventy-eight thousand, twelve".