12210212011210 has 16 divisors (see below), whose sum is σ = 22736256849000. Its totient is φ = 4715668086976.

The previous prime is 12210212011177. The next prime is 12210212011211. The reversal of 12210212011210 is 1211021201221.

It can be written as a sum of positive squares in 4 ways, for example, as 12167336925241 + 42875085969 = 3488171^2 + 207063^2 .

It is not an unprimeable number, because it can be changed into a prime (12210212011211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21052089385 + ... + 21052089964.

Almost surely, 2^{12210212011210} is an apocalyptic number.

12210212011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210212011210 is a deficient number, since it is larger than the sum of its proper divisors (10526044837790).

12210212011210 is a wasteful number, since it uses less digits than its factorization.

12210212011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42104179385.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12210212011210 its reverse (1211021201221), we get a palindrome (13421233212431).

The spelling of 12210212011210 in words is "twelve trillion, two hundred ten billion, two hundred twelve million, eleven thousand, two hundred ten".