42122412 has 18 divisors (see below), whose sum is σ = 106476188. Its totient is φ = 14040792.

The previous prime is 42122393. The next prime is 42122429. The reversal of 42122412 is 21422124.

42122412 is a `hidden beast` number, since 421 + 2 + 241 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 584998 + ... + 585069.

Almost surely, 2^42122412 is an apocalyptic number.

It is an amenable number.

42122412 is an abundant number, since it is smaller than the sum of its proper divisors (64353776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42122412 is a wasteful number, since it uses less digits than its factorization.

42122412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170077 (or 1170072 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 42122412 is about 6490.1781177407. The cubic root of 42122412 is about 347.9400411959.

Adding to 42122412 its reverse (21422124), we get a palindrome (63544536).

The spelling of 42122412 in words is "forty-two million, one hundred twenty-two thousand, four hundred twelve".