20123112012141 has 8 divisors (see below), whose sum is σ = 27042082284544. Its totient is φ = 13309774873920.

The previous prime is 20123112012079. The next prime is 20123112012149. The reversal of 20123112012141 is 14121021132102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20123112012141 - 2⁶ = 20123112012077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123112012149) 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, 26408283100 + ... + 26408283861.

It is an arithmetic number, because the mean of its divisors is an integer number (3380260285568).

Almost surely, 2^{20123112012141} is an apocalyptic number.

It is an amenable number.

20123112012141 is a deficient number, since it is larger than the sum of its proper divisors (6918970272403).

20123112012141 is a wasteful number, since it uses less digits than its factorization.

20123112012141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52816567091.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 20123112012141 its reverse (14121021132102), we get a palindrome (34244133144243).

The spelling of 20123112012141 in words is "twenty trillion, one hundred twenty-three billion, one hundred twelve million, twelve thousand, one hundred forty-one".