212142071354 has 4 divisors (see below), whose sum is σ = 318213107034. Its totient is φ = 106071035676.

The previous prime is 212142071353. The next prime is 212142071387. The reversal of 212142071354 is 453170241212.

It is a happy number.

212142071354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 136201593025 + 75940478329 = 369055^2 + 275573^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212142071354.

It is not an unprimeable number, because it can be changed into a prime (212142071353) 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 as a sum of consecutive naturals, namely, 53035517837 + ... + 53035517840.

Almost surely, 2^212142071354 is an apocalyptic number.

212142071354 is a deficient number, since it is larger than the sum of its proper divisors (106071035680).

212142071354 is a wasteful number, since it uses less digits than its factorization.

212142071354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106071035679.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 212142071354 in words is "two hundred twelve billion, one hundred forty-two million, seventy-one thousand, three hundred fifty-four".