234134021412 has 18 divisors (see below), whose sum is σ = 591838776438. Its totient is φ = 78044673792.

The previous prime is 234134021371. The next prime is 234134021419. The reversal of 234134021412 is 214120431432.

234134021412 is a `hidden beast` number, since 23 + 413 + 4 + 0 + 214 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 143788089636 + 90345931776 = 379194^2 + 300576^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (234134021419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3251861373 + ... + 3251861444.

Almost surely, 2^234134021412 is an apocalyptic number.

It is an amenable number.

234134021412 is an abundant number, since it is smaller than the sum of its proper divisors (357704755026).

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

234134021412 is a wasteful number, since it uses less digits than its factorization.

234134021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6503722827 (or 6503722822 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 234134021412 its reverse (214120431432), we get a palindrome (448254452844).

The spelling of 234134021412 in words is "two hundred thirty-four billion, one hundred thirty-four million, twenty-one thousand, four hundred twelve".