42003333612 has 36 divisors (see below), whose sum is σ = 106950106536. Its totient is φ = 13898911680.

The previous prime is 42003333601. The next prime is 42003333613. The reversal of 42003333612 is 21633330024.

It is a happy number.

42003333612 is a `hidden beast` number, since 42 + 0 + 0 + 3 + 3 + 3 + 3 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×42003333612³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42003333613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4253314 + ... + 4263177.

Almost surely, 2^42003333612 is an apocalyptic number.

It is an amenable number.

42003333612 is an abundant number, since it is smaller than the sum of its proper divisors (64946772924).

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

42003333612 is a wasteful number, since it uses less digits than its factorization.

42003333612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516638 (or 8516633 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 42003333612 its reverse (21633330024), we get a palindrome (63636663636).

The spelling of 42003333612 in words is "forty-two billion, three million, three hundred thirty-three thousand, six hundred twelve".