212676081 has 16 divisors (see below), whose sum is σ = 290095104. Its totient is φ = 138531024.

The previous prime is 212676077. The next prime is 212676097. The reversal of 212676081 is 180676212.

It is not a de Polignac number, because 212676081 - 2² = 212676077 is a prime.

It is a super-2 number, since 2×212676081² = 90462230859037122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212676281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127056 + ... + 128718.

It is an arithmetic number, because the mean of its divisors is an integer number (18130944).

Almost surely, 2^212676081 is an apocalyptic number.

It is an amenable number.

212676081 is a deficient number, since it is larger than the sum of its proper divisors (77419023).

212676081 is a wasteful number, since it uses less digits than its factorization.

212676081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 212676081 is about 14583.4180149922. The cubic root of 212676081 is about 596.9063737645.

The spelling of 212676081 in words is "two hundred twelve million, six hundred seventy-six thousand, eighty-one".