212011201938 has 8 divisors (see below), whose sum is σ = 424022403888. Its totient is φ = 70670400644.

The previous prime is 212011201937. The next prime is 212011202041. The reversal of 212011201938 is 839102110212.

212011201938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

212011201938 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (212011201931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17667600156 + ... + 17667600167.

It is an arithmetic number, because the mean of its divisors is an integer number (53002800486).

Almost surely, 2^212011201938 is an apocalyptic number.

212011201938 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.

212011201938 is a wasteful number, since it uses less digits than its factorization.

212011201938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35335200328.

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 212011201938 in words is "two hundred twelve billion, eleven million, two hundred one thousand, nine hundred thirty-eight".