4221871608812 has 96 divisors (see below), whose sum is σ = 8918437249344. Its totient is φ = 1722782131200.

The previous prime is 4221871608793. The next prime is 4221871608821. The reversal of 4221871608812 is 2188061781224.

It is a super-3 number, since 3×4221871608812³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49502318 + ... + 49587530.

It is an arithmetic number, because the mean of its divisors is an integer number (92900388014).

Almost surely, 2^{4221871608812} is an apocalyptic number.

It is an amenable number.

4221871608812 is an abundant number, since it is smaller than the sum of its proper divisors (4696565640532).

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

4221871608812 is a wasteful number, since it uses less digits than its factorization.

4221871608812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87619 (or 87617 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 50.

The spelling of 4221871608812 in words is "four trillion, two hundred twenty-one billion, eight hundred seventy-one million, six hundred eight thousand, eight hundred twelve".