12212010010 has 24 divisors (see below), whose sum is σ = 23350720860. Its totient is φ = 4597461504.

The previous prime is 12212010007. The next prime is 12212010029. The reversal of 12212010010 is 1001021221.

It can be written as a sum of positive squares in 6 ways, for example, as 11202740649 + 1009269361 = 105843^2 + 31769^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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 in 11 ways as a sum of consecutive naturals, for example, 2109915 + ... + 2115694.

Almost surely, 2^12212010010 is an apocalyptic number.

12212010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212010010 is a deficient number, since it is larger than the sum of its proper divisors (11138710850).

12212010010 is a wasteful number, since it uses less digits than its factorization.

12212010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225650 (or 4225633 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12212010010 its reverse (1001021221), we get a palindrome (13213031231).

The spelling of 12212010010 in words is "twelve billion, two hundred twelve million, ten thousand, ten".