12210301652 has 6 divisors (see below), whose sum is σ = 21368027898. Its totient is φ = 6105150824.

The previous prime is 12210301639. The next prime is 12210301667. The reversal of 12210301652 is 25610301221.

It can be written as a sum of positive squares in only one way, i.e., 8942350096 + 3267951556 = 94564^2 + 57166^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526287703 + ... + 1526287710.

It is an arithmetic number, because the mean of its divisors is an integer number (3561337983).

Almost surely, 2^12210301652 is an apocalyptic number.

It is an amenable number.

12210301652 is a deficient number, since it is larger than the sum of its proper divisors (9157726246).

12210301652 is a wasteful number, since it uses less digits than its factorization.

12210301652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052575417 (or 3052575415 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 12210301652 its reverse (25610301221), we get a palindrome (37820602873).

The spelling of 12210301652 in words is "twelve billion, two hundred ten million, three hundred one thousand, six hundred fifty-two".