34135421012 has 24 divisors (see below), whose sum is σ = 74477282880. Its totient is φ = 13299514560.

The previous prime is 34135420939. The next prime is 34135421017. The reversal of 34135421012 is 21012453143.

It is a happy number.

It is a super-2 number, since 2×34135421012² (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 (34135421017) 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, 55414337 + ... + 55414952.

It is an arithmetic number, because the mean of its divisors is an integer number (3103220120).

Almost surely, 2^34135421012 is an apocalyptic number.

It is an amenable number.

34135421012 is an abundant number, since it is smaller than the sum of its proper divisors (40341861868).

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

34135421012 is a wasteful number, since it uses less digits than its factorization.

34135421012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110829311 (or 110829309 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 34135421012 its reverse (21012453143), we get a palindrome (55147874155).

The spelling of 34135421012 in words is "thirty-four billion, one hundred thirty-five million, four hundred twenty-one thousand, twelve".