124203142120342 has 32 divisors (see below), whose sum is σ = 197004884630400. Its totient is φ = 58565167699968.

The previous prime is 124203142120243. The next prime is 124203142120349. The reversal of 124203142120342 is 243021241302421.

It is a super-2 number, since 2×124203142120342² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124203142120349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2048793 + ... + 15893515.

It is an arithmetic number, because the mean of its divisors is an integer number (6156402644700).

Almost surely, 2^{124203142120342} is an apocalyptic number.

124203142120342 is a deficient number, since it is larger than the sum of its proper divisors (72801742510058).

124203142120342 is a wasteful number, since it uses less digits than its factorization.

124203142120342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13845820.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 124203142120342 its reverse (243021241302421), we get a palindrome (367224383422763).

The spelling of 124203142120342 in words is "one hundred twenty-four trillion, two hundred three billion, one hundred forty-two million, one hundred twenty thousand, three hundred forty-two".