12212029291579 has 4 divisors (see below), whose sum is σ = 13151416160176. Its totient is φ = 11272642422984.

The previous prime is 12212029291537. The next prime is 12212029291589. The reversal of 12212029291579 is 97519292021221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12212029291579 - 2²⁹ = 12211492420667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212029291589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469693434279 + ... + 469693434304.

It is an arithmetic number, because the mean of its divisors is an integer number (3287854040044).

Almost surely, 2^{12212029291579} is an apocalyptic number.

12212029291579 is a deficient number, since it is larger than the sum of its proper divisors (939386868597).

12212029291579 is an equidigital number, since it uses as much as digits as its factorization.

12212029291579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939386868596.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 12212029291579 in words is "twelve trillion, two hundred twelve billion, twenty-nine million, two hundred ninety-one thousand, five hundred seventy-nine".