12821214061 has 8 divisors (see below), whose sum is σ = 12878740160. Its totient is φ = 12763817568.

The previous prime is 12821214031. The next prime is 12821214101. The reversal of 12821214061 is 16041212821.

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 12821214061 - 2²¹ = 12819116909 is a prime.

It is a super-2 number, since 2×12821214061² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12821214031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168670 + ... + 232576.

It is an arithmetic number, because the mean of its divisors is an integer number (1609842520).

Almost surely, 2^12821214061 is an apocalyptic number.

It is an amenable number.

12821214061 is a deficient number, since it is larger than the sum of its proper divisors (57526099).

12821214061 is an equidigital number, since it uses as much as digits as its factorization.

12821214061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64803.

The product of its (nonzero) digits is 1536, while the sum is 28.

Adding to 12821214061 its reverse (16041212821), we get a palindrome (28862426882).

The spelling of 12821214061 in words is "twelve billion, eight hundred twenty-one million, two hundred fourteen thousand, sixty-one".