2147218612 has 36 divisors (see below), whose sum is σ = 4768503264. Its totient is φ = 836577840.

The previous prime is 2147218603. The next prime is 2147218621. The reversal of 2147218612 is 2168127412.

It is an interprime number because it is at equal distance from previous prime (2147218603) and next prime (2147218621).

It is a super-2 number, since 2×2147218612² = 9221095535438413088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495808 + ... + 500119.

It is an arithmetic number, because the mean of its divisors is an integer number (132458424).

Almost surely, 2^2147218612 is an apocalyptic number.

2147218612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2147218612 is an abundant number, since it is smaller than the sum of its proper divisors (2621284652).

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

2147218612 is a wasteful number, since it uses less digits than its factorization.

2147218612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995956 (or 995947 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 2147218612 is about 46338.0902929760. The cubic root of 2147218612 is about 1290.1060770491.

The spelling of 2147218612 in words is "two billion, one hundred forty-seven million, two hundred eighteen thousand, six hundred twelve".