12201021022012 has 12 divisors (see below), whose sum is σ = 22088055298680. Its totient is φ = 5890148079536.

The previous prime is 12201021022009. The next prime is 12201021022093. The reversal of 12201021022012 is 21022012010221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52590607738 + ... + 52590607969.

It is an arithmetic number, because the mean of its divisors is an integer number (1840671274890).

Almost surely, 2^{12201021022012} is an apocalyptic number.

It is an amenable number.

12201021022012 is a deficient number, since it is larger than the sum of its proper divisors (9887034276668).

12201021022012 is a wasteful number, since it uses less digits than its factorization.

12201021022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105181215740 (or 105181215738 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12201021022012 its reverse (21022012010221), we get a palindrome (33223033032233).

The spelling of 12201021022012 in words is "twelve trillion, two hundred one billion, twenty-one million, twenty-two thousand, twelve".