21122712930003 has 4 divisors (see below), whose sum is σ = 28163617240008. Its totient is φ = 14081808620000.

The previous prime is 21122712929993. The next prime is 21122712930013. The reversal of 21122712930003 is 30003921722112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (21122712929993) and next prime (21122712930013).

It is a cyclic number.

It is not a de Polignac number, because 21122712930003 - 2¹⁴ = 21122712913619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21122712930013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3520452154998 + ... + 3520452155003.

It is an arithmetic number, because the mean of its divisors is an integer number (7040904310002).

Almost surely, 2^{21122712930003} is an apocalyptic number.

21122712930003 is a deficient number, since it is larger than the sum of its proper divisors (7040904310005).

21122712930003 is an equidigital number, since it uses as much as digits as its factorization.

21122712930003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040904310004.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 21122712930003 in words is "twenty-one trillion, one hundred twenty-two billion, seven hundred twelve million, nine hundred thirty thousand, three".