12621202201436 has 24 divisors (see below), whose sum is σ = 23420189547216. Its totient is φ = 5930793895680.

The previous prime is 12621202201417. The next prime is 12621202201451. The reversal of 12621202201436 is 63410220212621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134255411 + ... + 134349386.

It is an arithmetic number, because the mean of its divisors is an integer number (975841231134).

Almost surely, 2^{12621202201436} is an apocalyptic number.

It is an amenable number.

12621202201436 is a deficient number, since it is larger than the sum of its proper divisors (10798987345780).

12621202201436 is a wasteful number, since it uses less digits than its factorization.

12621202201436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268605509 (or 268605507 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 12621202201436 in words is "twelve trillion, six hundred twenty-one billion, two hundred two million, two hundred one thousand, four hundred thirty-six".