12201221002010 has 32 divisors (see below), whose sum is σ = 22719981407760. Its totient is φ = 4712098954752.

The previous prime is 12201221001953. The next prime is 12201221002067. The reversal of 12201221002010 is 1020012210221.

It is an interprime number because it is at equal distance from previous prime (12201221001953) and next prime (12201221002067).

It can be written as a sum of positive squares in 8 ways, for example, as 5941372125049 + 6259848876961 = 2437493^2 + 2501969^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14620952 + ... + 15432908.

Almost surely, 2^{12201221002010} is an apocalyptic number.

12201221002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201221002010 is a deficient number, since it is larger than the sum of its proper divisors (10518760405750).

12201221002010 is a wasteful number, since it uses less digits than its factorization.

12201221002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863810.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12201221002010 its reverse (1020012210221), we get a palindrome (13221233212231).

The spelling of 12201221002010 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, two thousand, ten".