212896861802 has 8 divisors (see below), whose sum is σ = 319453297956. Its totient is φ = 106412429152.

The previous prime is 212896861799. The next prime is 212896861817. The reversal of 212896861802 is 208168698212.

It can be written as a sum of positive squares in 2 ways, for example, as 158253591721 + 54643270081 = 397811^2 + 233759^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17993483 + ... + 18005310.

Almost surely, 2^212896861802 is an apocalyptic number.

212896861802 is a deficient number, since it is larger than the sum of its proper divisors (106556436154).

212896861802 is a wasteful number, since it uses less digits than its factorization.

212896861802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36001752.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 212896861802 in words is "two hundred twelve billion, eight hundred ninety-six million, eight hundred sixty-one thousand, eight hundred two".