3671212512 has 96 divisors (see below), whose sum is σ = 10524366720. Its totient is φ = 1111288320.

The previous prime is 3671212511. The next prime is 3671212579. The reversal of 3671212512 is 2152121763.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 3671212512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3671212511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761423 + ... + 1763505.

It is an arithmetic number, because the mean of its divisors is an integer number (109628820).

Almost surely, 2^3671212512 is an apocalyptic number.

3671212512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3671212512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5262183360).

3671212512 is an abundant number, since it is smaller than the sum of its proper divisors (6853154208).

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

3671212512 is a wasteful number, since it uses less digits than its factorization.

3671212512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776 (or 3768 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 3671212512 is about 60590.5315375266. The cubic root of 3671212512 is about 1542.6586603774.

The spelling of 3671212512 in words is "three billion, six hundred seventy-one million, two hundred twelve thousand, five hundred twelve".