42142224125 has 32 divisors (see below), whose sum is σ = 54558766080. Its totient is φ = 32474832000.

The previous prime is 42142224109. The next prime is 42142224133. The reversal of 42142224125 is 52142224124.

It is not a de Polignac number, because 42142224125 - 2⁴ = 42142224109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352832 + ... + 456918.

It is an arithmetic number, because the mean of its divisors is an integer number (1704961440).

Almost surely, 2^42142224125 is an apocalyptic number.

It is an amenable number.

42142224125 is a deficient number, since it is larger than the sum of its proper divisors (12416541955).

42142224125 is a wasteful number, since it uses less digits than its factorization.

42142224125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104222 (or 104212 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

Adding to 42142224125 its reverse (52142224124), we get a palindrome (94284448249).

Subtracting 42142224125 from its reverse (52142224124), we obtain a palindrome (9999999999).

The spelling of 42142224125 in words is "forty-two billion, one hundred forty-two million, two hundred twenty-four thousand, one hundred twenty-five".