212010111078 has 8 divisors (see below), whose sum is σ = 424020222168. Its totient is φ = 70670037024.

The previous prime is 212010111077. The next prime is 212010111097. The reversal of 212010111078 is 870111010212.

It is a sphenic number, since it is the product of 3 distinct primes.

212010111078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010111077) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17667509251 + ... + 17667509262.

It is an arithmetic number, because the mean of its divisors is an integer number (53002527771).

Almost surely, 2^212010111078 is an apocalyptic number.

212010111078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212010111078 is a wasteful number, since it uses less digits than its factorization.

212010111078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35335018518.

The product of its (nonzero) digits is 224, while the sum is 24.

The spelling of 212010111078 in words is "two hundred twelve billion, ten million, one hundred eleven thousand, seventy-eight".