1500012216 has 32 divisors (see below), whose sum is σ = 4166701200. Its totient is φ = 500004000.

The previous prime is 1500012193. The next prime is 1500012287. The reversal of 1500012216 is 6122100051.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3472035 + ... + 3472466.

Almost surely, 2^1500012216 is an apocalyptic number.

It is an amenable number.

1500012216 is an abundant number, since it is smaller than the sum of its proper divisors (2666688984).

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

1500012216 is a wasteful number, since it uses less digits than its factorization.

1500012216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944516 (or 6944506 counting only the distinct ones).

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

The square root of 1500012216 is about 38729.9911696349. The cubic root of 1500012216 is about 1144.7173500625.

Adding to 1500012216 its reverse (6122100051), we get a palindrome (7622112267).

The spelling of 1500012216 in words is "one billion, five hundred million, twelve thousand, two hundred sixteen".