21134230134122 has 64 divisors (see below), whose sum is σ = 36479545344000. Its totient is φ = 8995353808320.

The previous prime is 21134230134109. The next prime is 21134230134161. The reversal of 21134230134122 is 22143103243112.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4611437843 + ... + 4611442425.

It is an arithmetic number, because the mean of its divisors is an integer number (569992896000).

Almost surely, 2^{21134230134122} is an apocalyptic number.

21134230134122 is a deficient number, since it is larger than the sum of its proper divisors (15345315209878).

21134230134122 is a wasteful number, since it uses less digits than its factorization.

21134230134122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 21134230134122 its reverse (22143103243112), we get a palindrome (43277333377234).

The spelling of 21134230134122 in words is "twenty-one trillion, one hundred thirty-four billion, two hundred thirty million, one hundred thirty-four thousand, one hundred twenty-two".