42021134012 has 48 divisors (see below), whose sum is σ = 89180012544. Its totient is φ = 17062488000.

The previous prime is 42021134003. The next prime is 42021134083. The reversal of 42021134012 is 21043112024.

It is a super-2 number, since 2×42021134012² (a number of 22 digits) contains 22 as substring.

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, 1167164 + ... + 1202627.

It is an arithmetic number, because the mean of its divisors is an integer number (1857916928).

Almost surely, 2^42021134012 is an apocalyptic number.

It is an amenable number.

42021134012 is an abundant number, since it is smaller than the sum of its proper divisors (47158878532).

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

42021134012 is a wasteful number, since it uses less digits than its factorization.

42021134012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369850 (or 2369848 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 42021134012 its reverse (21043112024), we get a palindrome (63064246036).

The spelling of 42021134012 in words is "forty-two billion, twenty-one million, one hundred thirty-four thousand, twelve".