1282711216 has 40 divisors (see below), whose sum is σ = 2568835584. Its totient is φ = 620116800.

The previous prime is 1282711207. The next prime is 1282711231. The reversal of 1282711216 is 6121172821.

It is a super-3 number, since 3×1282711216³ (a number of 28 digits) contains 333 as substring.

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, 52141 + ... + 72691.

Almost surely, 2^1282711216 is an apocalyptic number.

1282711216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1282711216 is an abundant number, since it is smaller than the sum of its proper divisors (1286124368).

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

1282711216 is a wasteful number, since it uses less digits than its factorization.

1282711216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20689 (or 20683 counting only the distinct ones).

The product of its digits is 2688, while the sum is 31.

The square root of 1282711216 is about 35814.9579924366. The cubic root of 1282711216 is about 1086.5331073176.

The spelling of 1282711216 in words is "one billion, two hundred eighty-two million, seven hundred eleven thousand, two hundred sixteen".