123412042101 has 8 divisors (see below), whose sum is σ = 165845054464. Its totient is φ = 81626862240.

The previous prime is 123412042037. The next prime is 123412042109. The reversal of 123412042101 is 101240214321.

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

It is not a de Polignac number, because 123412042101 - 2⁶ = 123412042037 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 (123412042109) by changing a digit.

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, 161957680 + ... + 161958441.

It is an arithmetic number, because the mean of its divisors is an integer number (20730631808).

Almost surely, 2^123412042101 is an apocalyptic number.

It is an amenable number.

123412042101 is a deficient number, since it is larger than the sum of its proper divisors (42433012363).

123412042101 is a wasteful number, since it uses less digits than its factorization.

123412042101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323916251.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 123412042101 its reverse (101240214321), we get a palindrome (224652256422).

The spelling of 123412042101 in words is "one hundred twenty-three billion, four hundred twelve million, forty-two thousand, one hundred one".