212214222879158 has 4 divisors (see below), whose sum is σ = 318321334318740. Its totient is φ = 106107111439578.

The previous prime is 212214222879157. The next prime is 212214222879181. The reversal of 212214222879158 is 851978222412212.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212214222879157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53053555719788 + ... + 53053555719791.

It is an arithmetic number, because the mean of its divisors is an integer number (79580333579685).

Almost surely, 2^{212214222879158} is an apocalyptic number.

212214222879158 is a deficient number, since it is larger than the sum of its proper divisors (106107111439582).

212214222879158 is a wasteful number, since it uses less digits than its factorization.

212214222879158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106107111439581.

The product of its digits is 5160960, while the sum is 56.

The spelling of 212214222879158 in words is "two hundred twelve trillion, two hundred fourteen billion, two hundred twenty-two million, eight hundred seventy-nine thousand, one hundred fifty-eight".