10042412123 has 4 divisors (see below), whose sum is σ = 10141842048. Its totient is φ = 9942982200.

The previous prime is 10042412101. The next prime is 10042412129. The reversal of 10042412123 is 32121424001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10042412123 - 2¹² = 10042408027 is a prime.

It is a super-3 number, since 3×10042412123³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10042412095 and 10042412104.

It is not an unprimeable number, because it can be changed into a prime (10042412129) 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, 49714811 + ... + 49715012.

It is an arithmetic number, because the mean of its divisors is an integer number (2535460512).

Almost surely, 2^10042412123 is an apocalyptic number.

10042412123 is a deficient number, since it is larger than the sum of its proper divisors (99429925).

10042412123 is an equidigital number, since it uses as much as digits as its factorization.

10042412123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99429924.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10042412123 its reverse (32121424001), we get a palindrome (42163836124).

The spelling of 10042412123 in words is "ten billion, forty-two million, four hundred twelve thousand, one hundred twenty-three".