42124312202103 has 56 divisors (see below), whose sum is σ = 65354332749440. Its totient is φ = 27110522292480.

The previous prime is 42124312202099. The next prime is 42124312202117. The reversal of 42124312202103 is 30120221342124.

42124312202103 is a `hidden beast` number, since 4 + 2 + 1 + 2 + 431 + 220 + 2 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 42124312202103 - 2² = 42124312202099 is a prime.

It is a super-3 number, since 3×42124312202103³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42124312206103) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 6964275 + ... + 11521707.

It is an arithmetic number, because the mean of its divisors is an integer number (1167041656240).

Almost surely, 2^{42124312202103} is an apocalyptic number.

42124312202103 is a deficient number, since it is larger than the sum of its proper divisors (23230020547337).

42124312202103 is an equidigital number, since it uses as much as digits as its factorization.

42124312202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557891 (or 4557876 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 42124312202103 its reverse (30120221342124), we get a palindrome (72244533544227).

The spelling of 42124312202103 in words is "forty-two trillion, one hundred twenty-four billion, three hundred twelve million, two hundred two thousand, one hundred three".