12121210101202 has 8 divisors (see below), whose sum is σ = 18181849435596. Its totient is φ = 6060593622672.

The previous prime is 12121210101199. The next prime is 12121210101269. The reversal of 12121210101202 is 20210101212121.

It can be written as a sum of positive squares in 2 ways, for example, as 11158866759121 + 962343342081 = 3340489^2 + 980991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 4320133 + ... + 6550264.

Almost surely, 2^{12121210101202} is an apocalyptic number.

12121210101202 is a deficient number, since it is larger than the sum of its proper divisors (6060639334394).

12121210101202 is a wasteful number, since it uses less digits than its factorization.

12121210101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11427932.

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

Adding to 12121210101202 its reverse (20210101212121), we get a palindrome (32331311313323).

The spelling of 12121210101202 in words is "twelve trillion, one hundred twenty-one billion, two hundred ten million, one hundred one thousand, two hundred two".