606412011221 has 16 divisors (see below), whose sum is σ = 611196840000. Its totient is φ = 601644590976.

The previous prime is 606412011197. The next prime is 606412011239. The reversal of 606412011221 is 122110214606.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606412011221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606412011241) 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, 188970665 + ... + 188973873.

It is an arithmetic number, because the mean of its divisors is an integer number (38199802500).

Almost surely, 2^606412011221 is an apocalyptic number.

It is an amenable number.

606412011221 is a deficient number, since it is larger than the sum of its proper divisors (4784828779).

606412011221 is a wasteful number, since it uses less digits than its factorization.

606412011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 606412011221 its reverse (122110214606), we get a palindrome (728522225827).

The spelling of 606412011221 in words is "six hundred six billion, four hundred twelve million, eleven thousand, two hundred twenty-one".