42012452 has 12 divisors (see below), whose sum is σ = 73570560. Its totient is φ = 20992296.

The previous prime is 42012431. The next prime is 42012461. The reversal of 42012452 is 25421024.

It is a happy number.

It is a super-2 number, since 2×42012452² = 3530092246104608, which contains 22 as substring.

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, 6449 + ... + 11207.

It is an arithmetic number, because the mean of its divisors is an integer number (6130880).

Almost surely, 2^42012452 is an apocalyptic number.

It is an amenable number.

42012452 is a deficient number, since it is larger than the sum of its proper divisors (31558108).

42012452 is a wasteful number, since it uses less digits than its factorization.

42012452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970 (or 6968 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42012452 is about 6481.7013198697. The cubic root of 42012452 is about 347.6370130656.

Adding to 42012452 its reverse (25421024), we get a palindrome (67433476).

The spelling of 42012452 in words is "forty-two million, twelve thousand, four hundred fifty-two".