12212121120202 has 16 divisors (see below), whose sum is σ = 18489893872320. Its totient is φ = 6048826337248.

The previous prime is 12212121120187. The next prime is 12212121120233. The reversal of 12212121120202 is 20202112121221.

12212121120202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12212121120202³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12212121120202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7101963 + ... + 8652289.

It is an arithmetic number, because the mean of its divisors is an integer number (1155618367020).

Almost surely, 2^{12212121120202} is an apocalyptic number.

12212121120202 is a deficient number, since it is larger than the sum of its proper divisors (6277772752118).

12212121120202 is a wasteful number, since it uses less digits than its factorization.

12212121120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587245.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212121120202 its reverse (20202112121221), we get a palindrome (32414233241423).

The spelling of 12212121120202 in words is "twelve trillion, two hundred twelve billion, one hundred twenty-one million, one hundred twenty thousand, two hundred two".