1200908412 has 72 divisors (see below), whose sum is σ = 3333985200. Its totient is φ = 361451520.

The previous prime is 1200908389. The next prime is 1200908507. The reversal of 1200908412 is 2148090021.

It is a congruent 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, 48828 + ... + 69180.

It is an arithmetic number, because the mean of its divisors is an integer number (46305350).

Almost surely, 2^1200908412 is an apocalyptic number.

1200908412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200908412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666992600).

1200908412 is an abundant number, since it is smaller than the sum of its proper divisors (2133076788).

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

1200908412 is a wasteful number, since it uses less digits than its factorization.

1200908412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20523 (or 20518 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1200908412 is about 34654.1254686942. The cubic root of 1200908412 is about 1062.9266492687.

Adding to 1200908412 its reverse (2148090021), we get a palindrome (3348998433).

The spelling of 1200908412 in words is "one billion, two hundred million, nine hundred eight thousand, four hundred twelve".