212127812704 has 96 divisors (see below), whose sum is σ = 431365163040. Its totient is φ = 102636859392.

The previous prime is 212127812683. The next prime is 212127812791. The reversal of 212127812704 is 407218721212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89997894 + ... + 90000250.

It is an arithmetic number, because the mean of its divisors is an integer number (4493387115).

Almost surely, 2^212127812704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212127812704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215682581520).

212127812704 is an abundant number, since it is smaller than the sum of its proper divisors (219237350336).

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

212127812704 is a wasteful number, since it uses less digits than its factorization.

212127812704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152 (or 3144 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The spelling of 212127812704 in words is "two hundred twelve billion, one hundred twenty-seven million, eight hundred twelve thousand, seven hundred four".