1200411216 has 60 divisors (see below), whose sum is σ = 3505558368. Its totient is φ = 382738752.

The previous prime is 1200411209. The next prime is 1200411281. The reversal of 1200411216 is 6121140021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177910 + ... + 184533.

Almost surely, 2^1200411216 is an apocalyptic number.

1200411216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1200411216 is an abundant number, since it is smaller than the sum of its proper divisors (2305147152).

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

1200411216 is a wasteful number, since it uses less digits than its factorization.

1200411216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362480 (or 362471 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1200411216 is about 34646.9510346870. The cubic root of 1200411216 is about 1062.7799392661.

Adding to 1200411216 its reverse (6121140021), we get a palindrome (7321551237).

It can be divided in two parts, 12004 and 11216, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 1200411216 in words is "one billion, two hundred million, four hundred eleven thousand, two hundred sixteen".