42100412 has 12 divisors (see below), whose sum is σ = 73791816. Its totient is φ = 21017040.

The previous prime is 42100403. The next prime is 42100423. The reversal of 42100412 is 21400124.

It is a congruent number.

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, 5318 + ... + 10605.

It is an arithmetic number, because the mean of its divisors is an integer number (6149318).

Almost surely, 2^42100412 is an apocalyptic number.

It is an amenable number.

42100412 is a deficient number, since it is larger than the sum of its proper divisors (31691404).

42100412 is a wasteful number, since it uses less digits than its factorization.

42100412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16588 (or 16586 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 42100412 is about 6488.4830276421. The cubic root of 42100412 is about 347.8794557611.

Adding to 42100412 its reverse (21400124), we get a palindrome (63500536).

The spelling of 42100412 in words is "forty-two million, one hundred thousand, four hundred twelve".