124221002304142 has 4 divisors (see below), whose sum is σ = 186331503456216. Its totient is φ = 62110501152070.

The previous prime is 124221002304137. The next prime is 124221002304199. The reversal of 124221002304142 is 241403200122421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 124221002304142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31055250576034 + ... + 31055250576037.

It is an arithmetic number, because the mean of its divisors is an integer number (46582875864054).

Almost surely, 2^{124221002304142} is an apocalyptic number.

124221002304142 is a deficient number, since it is larger than the sum of its proper divisors (62110501152074).

124221002304142 is an equidigital number, since it uses as much as digits as its factorization.

124221002304142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62110501152073.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 124221002304142 its reverse (241403200122421), we get a palindrome (365624202426563).

The spelling of 124221002304142 in words is "one hundred twenty-four trillion, two hundred twenty-one billion, two million, three hundred four thousand, one hundred forty-two".