42134400012 has 48 divisors (see below), whose sum is σ = 100434926592. Its totient is φ = 13741929600.

The previous prime is 42134399999. The next prime is 42134400029. The reversal of 42134400012 is 21000443124.

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, 2360473 + ... + 2378255.

It is an arithmetic number, because the mean of its divisors is an integer number (2092394304).

Almost surely, 2^42134400012 is an apocalyptic number.

It is an amenable number.

42134400012 is an abundant number, since it is smaller than the sum of its proper divisors (58300526580).

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

42134400012 is a wasteful number, since it uses less digits than its factorization.

42134400012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22038 (or 22036 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42134400012 its reverse (21000443124), we get a palindrome (63134843136).

The spelling of 42134400012 in words is "forty-two billion, one hundred thirty-four million, four hundred thousand, twelve".