812612016 has 60 divisors (see below), whose sum is σ = 2352617280. Its totient is φ = 261528960.

The previous prime is 812611997. The next prime is 812612023. The reversal of 812612016 is 610216218.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93120 + ... + 101471.

It is an arithmetic number, because the mean of its divisors is an integer number (39210288).

Almost surely, 2^812612016 is an apocalyptic number.

It is an amenable number.

812612016 is an abundant number, since it is smaller than the sum of its proper divisors (1540005264).

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

812612016 is a wasteful number, since it uses less digits than its factorization.

812612016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194634 (or 194625 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 812612016 is about 28506.3504503821. The cubic root of 812612016 is about 933.1706693845.

The spelling of 812612016 in words is "eight hundred twelve million, six hundred twelve thousand, sixteen".