20134134212 has 24 divisors (see below), whose sum is σ = 37349728416. Its totient is φ = 9464128128.

The previous prime is 20134134089. The next prime is 20134134257. The reversal of 20134134212 is 21243143102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107618 + ... + 227705.

It is an arithmetic number, because the mean of its divisors is an integer number (1556238684).

Almost surely, 2^20134134212 is an apocalyptic number.

It is an amenable number.

20134134212 is a deficient number, since it is larger than the sum of its proper divisors (17215594204).

20134134212 is a wasteful number, since it uses less digits than its factorization.

20134134212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336227 (or 336225 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20134134212 its reverse (21243143102), we get a palindrome (41377277314).

The spelling of 20134134212 in words is "twenty billion, one hundred thirty-four million, one hundred thirty-four thousand, two hundred twelve".