20134402213212 has 36 divisors (see below), whose sum is σ = 58166050838896. Its totient is φ = 5752686346560.

The previous prime is 20134402213201. The next prime is 20134402213229. The reversal of 20134402213212 is 21231220443102.

20134402213212 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 440 + 2 + 2 + 1 + 3 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39949210489 + ... + 39949210992.

Almost surely, 2^{20134402213212} is an apocalyptic number.

It is an amenable number.

20134402213212 is an abundant number, since it is smaller than the sum of its proper divisors (38031648625684).

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

20134402213212 is a wasteful number, since it uses less digits than its factorization.

20134402213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79898421498 (or 79898421493 counting only the distinct ones).

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

Adding to 20134402213212 its reverse (21231220443102), we get a palindrome (41365622656314).

The spelling of 20134402213212 in words is "twenty trillion, one hundred thirty-four billion, four hundred two million, two hundred thirteen thousand, two hundred twelve".