4122135612 has 72 divisors (see below), whose sum is σ = 11951584736. Its totient is φ = 1173481344.

The previous prime is 4122135607. The next prime is 4122135631. The reversal of 4122135612 is 2165312214.

4122135612 is a `hidden beast` number, since 4 + 12 + 2 + 1 + 35 + 612 = 666.

It is a super-2 number, since 2×4122135612² = 33984004007437229088, which 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 23 ways as a sum of consecutive naturals, for example, 40278 + ... + 99330.

Almost surely, 2^4122135612 is an apocalyptic number.

4122135612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4122135612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5975792368).

4122135612 is an abundant number, since it is smaller than the sum of its proper divisors (7829449124).

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

4122135612 is a wasteful number, since it uses less digits than its factorization.

4122135612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59347 (or 59342 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4122135612 is about 64203.8597905142. The cubic root of 4122135612 is about 1603.3958619561.

Adding to 4122135612 its reverse (2165312214), we get a palindrome (6287447826).

The spelling of 4122135612 in words is "four billion, one hundred twenty-two million, one hundred thirty-five thousand, six hundred twelve".