42123011032124 has 24 divisors (see below), whose sum is σ = 81245695138608. Its totient is φ = 18949433264640.

The previous prime is 42123011032087. The next prime is 42123011032129.

It is a happy number.

42123011032124 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 42123011032093 and 42123011032102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42123011032129) 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, 4934743979 + ... + 4934752514.

It is an arithmetic number, because the mean of its divisors is an integer number (3385237297442).

Almost surely, 2^{42123011032124} is an apocalyptic number.

42123011032124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42123011032124 is a deficient number, since it is larger than the sum of its proper divisors (39122684106484).

42123011032124 is a wasteful number, since it uses less digits than its factorization.

42123011032124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9869496605 (or 9869496603 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

It can be divided in two parts, 4212301 and 1032124, that added together give a palindrome (5244425).

The spelling of 42123011032124 in words is "forty-two trillion, one hundred twenty-three billion, eleven million, thirty-two thousand, one hundred twenty-four".