42012124324 has 12 divisors (see below), whose sum is σ = 73549286748. Its totient is φ = 20998042400.

The previous prime is 42012124313. The next prime is 42012124337. The reversal of 42012124324 is 42342121024.

It can be written as a sum of positive squares in 2 ways, for example, as 18039176100 + 23972948224 = 134310^2 + 154832^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993147 + ... + 2014114.

It is an arithmetic number, because the mean of its divisors is an integer number (6129107229).

Almost surely, 2^42012124324 is an apocalyptic number.

It is an amenable number.

42012124324 is a deficient number, since it is larger than the sum of its proper divisors (31537162424).

42012124324 is a wasteful number, since it uses less digits than its factorization.

42012124324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4009886 (or 4009884 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42012124324 its reverse (42342121024), we get a palindrome (84354245348).

The spelling of 42012124324 in words is "forty-two billion, twelve million, one hundred twenty-four thousand, three hundred twenty-four".