42100212412 has 6 divisors (see below), whose sum is σ = 73675371728. Its totient is φ = 21050106204.

The previous prime is 42100212367. The next prime is 42100212419. The reversal of 42100212412 is 21421200124.

It is a super-3 number, since 3×42100212412³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42100212412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42100212419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5262526548 + ... + 5262526555.

Almost surely, 2^42100212412 is an apocalyptic number.

It is an amenable number.

42100212412 is a deficient number, since it is larger than the sum of its proper divisors (31575159316).

42100212412 is a wasteful number, since it uses less digits than its factorization.

42100212412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10525053107 (or 10525053105 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 42100212412 its reverse (21421200124), we get a palindrome (63521412536).

The spelling of 42100212412 in words is "forty-two billion, one hundred million, two hundred twelve thousand, four hundred twelve".