4127531812212 has 24 divisors (see below), whose sum is σ = 9631414158912. Its totient is φ = 1375771566400.

The previous prime is 4127531812153. The next prime is 4127531812277. The reversal of 4127531812212 is 2122181357214.

It is a congruent number.

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, 8808489 + ... + 9265232.

It is an arithmetic number, because the mean of its divisors is an integer number (401308923288).

Almost surely, 2^{4127531812212} is an apocalyptic number.

It is an amenable number.

4127531812212 is an abundant number, since it is smaller than the sum of its proper divisors (5503882346700).

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

4127531812212 is a wasteful number, since it uses less digits than its factorization.

4127531812212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18092759 (or 18092757 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The spelling of 4127531812212 in words is "four trillion, one hundred twenty-seven billion, five hundred thirty-one million, eight hundred twelve thousand, two hundred twelve".