12821552958 has 16 divisors (see below), whose sum is σ = 25649559936. Its totient is φ = 4272775320.

The previous prime is 12821552951. The next prime is 12821552971. The reversal of 12821552958 is 85925512821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12821552951) 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, 242898 + ... + 290933.

It is an arithmetic number, because the mean of its divisors is an integer number (1603097496).

Almost surely, 2^12821552958 is an apocalyptic number.

12821552958 is an abundant number, since it is smaller than the sum of its proper divisors (12828006978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12821552958 is a wasteful number, since it uses less digits than its factorization.

12821552958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537839.

The product of its digits is 576000, while the sum is 48.

The spelling of 12821552958 in words is "twelve billion, eight hundred twenty-one million, five hundred fifty-two thousand, nine hundred fifty-eight".