42446972012 has 12 divisors (see below), whose sum is σ = 76009694376. Its totient is φ = 20729916480.

The previous prime is 42446971993. The next prime is 42446972017. The reversal of 42446972012 is 21027964424.

It is a super-2 number, since 2×42446972012² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42446972017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123392189 + ... + 123392532.

It is an arithmetic number, because the mean of its divisors is an integer number (6334141198).

Almost surely, 2^42446972012 is an apocalyptic number.

It is an amenable number.

42446972012 is a deficient number, since it is larger than the sum of its proper divisors (33562722364).

42446972012 is a wasteful number, since it uses less digits than its factorization.

42446972012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246784768 (or 246784766 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 42446972012 in words is "forty-two billion, four hundred forty-six million, nine hundred seventy-two thousand, twelve".