42012130 has 32 divisors (see below), whose sum is σ = 79418880. Its totient is φ = 15980160.

The previous prime is 42012127. The next prime is 42012133. The reversal of 42012130 is 3121024.

It is an interprime number because it is at equal distance from previous prime (42012127) and next prime (42012133).

It is a self number, because there is not a number n which added to its sum of digits gives 42012130.

It is not an unprimeable number, because it can be changed into a prime (42012133) 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, 17142 + ... + 19438.

It is an arithmetic number, because the mean of its divisors is an integer number (2481840).

Almost surely, 2^42012130 is an apocalyptic number.

42012130 is a deficient number, since it is larger than the sum of its proper divisors (37406750).

42012130 is a wasteful number, since it uses less digits than its factorization.

42012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 42012130 is about 6481.6764806646. The cubic root of 42012130 is about 347.6361249210.

Adding to 42012130 its reverse (3121024), we get a palindrome (45133154).

The spelling of 42012130 in words is "forty-two million, twelve thousand, one hundred thirty".