212820671067 has 8 divisors (see below), whose sum is σ = 283767828240. Its totient is φ = 141876980640.

The previous prime is 212820671053. The next prime is 212820671071. The reversal of 212820671067 is 760176028212.

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

It is not a de Polignac number, because 212820671067 - 2⁷ = 212820670939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212820671087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719892 + ... + 971537.

It is an arithmetic number, because the mean of its divisors is an integer number (35470978530).

Almost surely, 2^212820671067 is an apocalyptic number.

212820671067 is a deficient number, since it is larger than the sum of its proper divisors (70947157173).

212820671067 is a wasteful number, since it uses less digits than its factorization.

212820671067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733373.

The product of its (nonzero) digits is 112896, while the sum is 42.

Adding to 212820671067 its reverse (760176028212), we get a palindrome (972996699279).

The spelling of 212820671067 in words is "two hundred twelve billion, eight hundred twenty million, six hundred seventy-one thousand, sixty-seven".