1206240312 has 16 divisors (see below), whose sum is σ = 3015600840. Its totient is φ = 402080096.

The previous prime is 1206240281. The next prime is 1206240317. The reversal of 1206240312 is 2130426021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206240317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25129983 + ... + 25130030.

Almost surely, 2^1206240312 is an apocalyptic number.

1206240312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1206240312 is an abundant number, since it is smaller than the sum of its proper divisors (1809360528).

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

1206240312 is a wasteful number, since it uses less digits than its factorization.

1206240312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50260022 (or 50260018 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1206240312 is about 34730.9705018446. The cubic root of 1206240312 is about 1064.4974189746.

Adding to 1206240312 its reverse (2130426021), we get a palindrome (3336666333).

The spelling of 1206240312 in words is "one billion, two hundred six million, two hundred forty thousand, three hundred twelve".