212070542291 has 16 divisors (see below), whose sum is σ = 229355686560. Its totient is φ = 195426846720.

The previous prime is 212070542261. The next prime is 212070542293. The reversal of 212070542291 is 192245070212.

212070542291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212070542291 - 2¹⁴ = 212070525907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212070542293) 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 15 ways as a sum of consecutive naturals, for example, 141386 + ... + 666431.

It is an arithmetic number, because the mean of its divisors is an integer number (14334730410).

Almost surely, 2^212070542291 is an apocalyptic number.

212070542291 is a deficient number, since it is larger than the sum of its proper divisors (17285144269).

212070542291 is a wasteful number, since it uses less digits than its factorization.

212070542291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808214.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 212070542291 in words is "two hundred twelve billion, seventy million, five hundred forty-two thousand, two hundred ninety-one".