42120201134 has 16 divisors (see below), whose sum is σ = 68995276416. Its totient is φ = 19125737400.

The previous prime is 42120201131. The next prime is 42120201157. The reversal of 42120201134 is 43110202124.

It is a super-2 number, since 2×42120201134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42120201131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968672 + ... + 1011219.

It is an arithmetic number, because the mean of its divisors is an integer number (4312204776).

Almost surely, 2^42120201134 is an apocalyptic number.

42120201134 is a deficient number, since it is larger than the sum of its proper divisors (26875075282).

42120201134 is a wasteful number, since it uses less digits than its factorization.

42120201134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980871.

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

Adding to 42120201134 its reverse (43110202124), we get a palindrome (85230403258).

The spelling of 42120201134 in words is "forty-two billion, one hundred twenty million, two hundred one thousand, one hundred thirty-four".