12040122104021 has 4 divisors (see below), whose sum is σ = 13134678658944. Its totient is φ = 10945565549100.

The previous prime is 12040122104009. The next prime is 12040122104039.

12040122104021 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12040122104021 - 2⁴² = 7642075592917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12040122103984 and 12040122104002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040122104221) 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, 547278277445 + ... + 547278277466.

It is an arithmetic number, because the mean of its divisors is an integer number (3283669664736).

Almost surely, 2^{12040122104021} is an apocalyptic number.

12040122104021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12040122104021 is a deficient number, since it is larger than the sum of its proper divisors (1094556554923).

12040122104021 is a wasteful number, since it uses less digits than its factorization.

12040122104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094556554922.

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 1204012 and 2104021, that added together give a palindrome (3308033).

The spelling of 12040122104021 in words is "twelve trillion, forty billion, one hundred twenty-two million, one hundred four thousand, twenty-one".