20121401241223 has 8 divisors (see below), whose sum is σ = 21311736081120. Its totient is φ = 18931813401600.

The previous prime is 20121401241199. The next prime is 20121401241251. The reversal of 20121401241223 is 32214210412102.

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 20121401241223 - 2²⁹ = 20120864370311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121401241023) 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, 186694603 + ... + 186802348.

It is an arithmetic number, because the mean of its divisors is an integer number (2663967010140).

Almost surely, 2^{20121401241223} is an apocalyptic number.

20121401241223 is a deficient number, since it is larger than the sum of its proper divisors (1190334839897).

20121401241223 is a wasteful number, since it uses less digits than its factorization.

20121401241223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373500137.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 20121401241223 its reverse (32214210412102), we get a palindrome (52335611653325).

The spelling of 20121401241223 in words is "twenty trillion, one hundred twenty-one billion, four hundred one million, two hundred forty-one thousand, two hundred twenty-three".