42001005012 has 48 divisors (see below), whose sum is σ = 98285281920. Its totient is φ = 13959969408.

The previous prime is 42001004963. The next prime is 42001005031. The reversal of 42001005012 is 21050010024.

It is a junction number, because it is equal to n+sod(n) for n = 42001004982 and 42001005000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8767914 + ... + 8772702.

It is an arithmetic number, because the mean of its divisors is an integer number (2047610040).

Almost surely, 2^42001005012 is an apocalyptic number.

It is an amenable number.

42001005012 is an abundant number, since it is smaller than the sum of its proper divisors (56284276908).

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

42001005012 is a wasteful number, since it uses less digits than its factorization.

42001005012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752 (or 6750 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 42001005012 its reverse (21050010024), we get a palindrome (63051015036).

The spelling of 42001005012 in words is "forty-two billion, one million, five thousand, twelve".