66212300003 has 16 divisors (see below), whose sum is σ = 67555944000. Its totient is φ = 64884019200.

The previous prime is 66212299997. The next prime is 66212300029. The reversal of 66212300003 is 30000321266.

It is a cyclic number.

It is not a de Polignac number, because 66212300003 - 2¹⁴ = 66212283619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66212302003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6028625 + ... + 6039597.

It is an arithmetic number, because the mean of its divisors is an integer number (4222246500).

Almost surely, 2^66212300003 is an apocalyptic number.

66212300003 is a deficient number, since it is larger than the sum of its proper divisors (1343643997).

66212300003 is a wasteful number, since it uses less digits than its factorization.

66212300003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11662.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 66212300003 its reverse (30000321266), we get a palindrome (96212621269).

The spelling of 66212300003 in words is "sixty-six billion, two hundred twelve million, three hundred thousand, three".