1201233516 has 48 divisors (see below), whose sum is σ = 3215170560. Its totient is φ = 341936640.

The previous prime is 1201233511. The next prime is 1201233529. The reversal of 1201233516 is 6153321021.

It is not an unprimeable number, because it can be changed into a prime (1201233511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3621 + ... + 49148.

It is an arithmetic number, because the mean of its divisors is an integer number (66982720).

Almost surely, 2^1201233516 is an apocalyptic number.

It is an amenable number.

1201233516 is an abundant number, since it is smaller than the sum of its proper divisors (2013937044).

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

1201233516 is a wasteful number, since it uses less digits than its factorization.

1201233516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53054 (or 53052 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1201233516 is about 34658.8158482081. The cubic root of 1201233516 is about 1063.0225573673.

Adding to 1201233516 its reverse (6153321021), we get a palindrome (7354554537).

It can be divided in two parts, 12012335 and 16, that added together give a triangular number (12012351 = T₄₉₀₁).

The spelling of 1201233516 in words is "one billion, two hundred one million, two hundred thirty-three thousand, five hundred sixteen".