12222121002010 has 16 divisors (see below), whose sum is σ = 22013593547976. Its totient is φ = 4885787124288.

The previous prime is 12222121001957. The next prime is 12222121002011. The reversal of 12222121002010 is 1020012122221.

It is a happy number.

12222121002010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5157672644601 + 7064448357409 = 2271051^2 + 2657903^2 .

It is not an unprimeable number, because it can be changed into a prime (12222121002011) 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, 382642797 + ... + 382674736.

Almost surely, 2^{12222121002010} is an apocalyptic number.

12222121002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222121002010 is a deficient number, since it is larger than the sum of its proper divisors (9791472545966).

12222121002010 is a wasteful number, since it uses less digits than its factorization.

12222121002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765319137.

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

Adding to 12222121002010 its reverse (1020012122221), we get a palindrome (13242133124231).

It can be divided in two parts, 1222212 and 1002010, that added together give a palindrome (2224222).

The spelling of 12222121002010 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-one million, two thousand, ten".