122121202012202 has 8 divisors (see below), whose sum is σ = 184995484236612. Its totient is φ = 60456040600000.

The previous prime is 122121202012151. The next prime is 122121202012223. The reversal of 122121202012202 is 202210202121221.

It can be written as a sum of positive squares in 2 ways, for example, as 101702001037081 + 20419200975121 = 10084741^2 + 4518761^2 .

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302280202799 + ... + 302280203202.

Almost surely, 2^{122121202012202} is an apocalyptic number.

122121202012202 is a deficient number, since it is larger than the sum of its proper divisors (62874282224410).

122121202012202 is a wasteful number, since it uses less digits than its factorization.

122121202012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604560406104.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122121202012202 its reverse (202210202121221), we get a palindrome (324331404133423).

The spelling of 122121202012202 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred two million, twelve thousand, two hundred two".