20135034340012 has 24 divisors (see below), whose sum is σ = 35383088165040. Its totient is φ = 10025581923840.

The previous prime is 20135034339997. The next prime is 20135034340013. The reversal of 20135034340012 is 21004343053102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20135034340013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79217064 + ... + 79470832.

It is an arithmetic number, because the mean of its divisors is an integer number (1474295340210).

Almost surely, 2^{20135034340012} is an apocalyptic number.

It is an amenable number.

20135034340012 is a deficient number, since it is larger than the sum of its proper divisors (15248053825028).

20135034340012 is a wasteful number, since it uses less digits than its factorization.

20135034340012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336321 (or 336319 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 20135034340012 its reverse (21004343053102), we get a palindrome (41139377393114).

The spelling of 20135034340012 in words is "twenty trillion, one hundred thirty-five billion, thirty-four million, three hundred forty thousand, twelve".