42955312012 has 6 divisors (see below), whose sum is σ = 75171796028. Its totient is φ = 21477656004.

The previous prime is 42955311989. The next prime is 42955312013. The reversal of 42955312012 is 21021355924.

It is a super-4 number, since 4×42955312012⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (42955312013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5369413998 + ... + 5369414005.

Almost surely, 2^42955312012 is an apocalyptic number.

It is an amenable number.

42955312012 is a deficient number, since it is larger than the sum of its proper divisors (32216484016).

42955312012 is a wasteful number, since it uses less digits than its factorization.

42955312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10738828007 (or 10738828005 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 42955312012 its reverse (21021355924), we get a palindrome (63976667936).

The spelling of 42955312012 in words is "forty-two billion, nine hundred fifty-five million, three hundred twelve thousand, twelve".