212766195983 has 8 divisors (see below), whose sum is σ = 232136605056. Its totient is φ = 193400458200.

The previous prime is 212766195977. The next prime is 212766195997. The reversal of 212766195983 is 389591667212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212766195983 - 2¹² = 212766191887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212766195883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072241 + ... + 1255082.

It is an arithmetic number, because the mean of its divisors is an integer number (29017075632).

Almost surely, 2^212766195983 is an apocalyptic number.

212766195983 is a deficient number, since it is larger than the sum of its proper divisors (19370409073).

212766195983 is a wasteful number, since it uses less digits than its factorization.

212766195983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335645.

The product of its digits is 9797760, while the sum is 59.

The spelling of 212766195983 in words is "two hundred twelve billion, seven hundred sixty-six million, one hundred ninety-five thousand, nine hundred eighty-three".