20612124314243 has 8 divisors (see below), whose sum is σ = 25698232911360. Its totient is φ = 16061395569480.

The previous prime is 20612124314183. The next prime is 20612124314251. The reversal of 20612124314243 is 34241342121602.

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 20612124314243 - 2²⁸ = 20611855878787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20612124314143) 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, 133844963003 + ... + 133844963156.

It is an arithmetic number, because the mean of its divisors is an integer number (3212279113920).

Almost surely, 2^{20612124314243} is an apocalyptic number.

20612124314243 is a deficient number, since it is larger than the sum of its proper divisors (5086108597117).

20612124314243 is a wasteful number, since it uses less digits than its factorization.

20612124314243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267689926177.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 20612124314243 its reverse (34241342121602), we get a palindrome (54853466435845).

The spelling of 20612124314243 in words is "twenty trillion, six hundred twelve billion, one hundred twenty-four million, three hundred fourteen thousand, two hundred forty-three".