1201500216 has 80 divisors (see below), whose sum is σ = 3846086640. Its totient is φ = 343284480.

The previous prime is 1201500199. The next prime is 1201500217. The reversal of 1201500216 is 6120051021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201500217) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 127905 + ... + 136976.

It is an arithmetic number, because the mean of its divisors is an integer number (48076083).

Almost surely, 2^1201500216 is an apocalyptic number.

It is an amenable number.

1201500216 is an abundant number, since it is smaller than the sum of its proper divisors (2644586424).

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

1201500216 is a wasteful number, since it uses less digits than its factorization.

1201500216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264906 (or 264893 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1201500216 is about 34662.6631406186. The cubic root of 1201500216 is about 1063.1012229315.

Adding to 1201500216 its reverse (6120051021), we get a palindrome (7321551237).

The spelling of 1201500216 in words is "one billion, two hundred one million, five hundred thousand, two hundred sixteen".