212067701540042 has 8 divisors (see below), whose sum is σ = 336813408328356. Its totient is φ = 99796565430592.

The previous prime is 212067701540039. The next prime is 212067701540047. The reversal of 212067701540042 is 240045107760212.

It can be written as a sum of positive squares in 2 ways, for example, as 203932137591361 + 8135563948681 = 14280481^2 + 2852291^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212067701540047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118642669673 + ... + 3118642669740.

Almost surely, 2^{212067701540042} is an apocalyptic number.

212067701540042 is a deficient number, since it is larger than the sum of its proper divisors (124745706788314).

212067701540042 is a wasteful number, since it uses less digits than its factorization.

212067701540042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237285339432.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 212067701540042 in words is "two hundred twelve trillion, sixty-seven billion, seven hundred one million, five hundred forty thousand, forty-two".