21470667012330 has 128 divisors (see below), whose sum is σ = 55729473748992. Its totient is φ = 5273319625728.

The previous prime is 21470667012181. The next prime is 21470667012367. The reversal of 21470667012330 is 3321076607412.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180842247 + ... + 180960933.

It is an arithmetic number, because the mean of its divisors is an integer number (435386513664).

Almost surely, 2^{21470667012330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21470667012330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27864736874496).

21470667012330 is an abundant number, since it is smaller than the sum of its proper divisors (34258806736662).

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

21470667012330 is a wasteful number, since it uses less digits than its factorization.

21470667012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126308.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 21470667012330 in words is "twenty-one trillion, four hundred seventy billion, six hundred sixty-seven million, twelve thousand, three hundred thirty".