122121012202 has 32 divisors (see below), whose sum is σ = 210225818880. Its totient is φ = 52118881920.

The previous prime is 122121012191. The next prime is 122121012229. The reversal of 122121012202 is 202210121221.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 9849427 + ... + 9861817.

It is an arithmetic number, because the mean of its divisors is an integer number (6569556840).

Almost surely, 2^122121012202 is an apocalyptic number.

122121012202 is a deficient number, since it is larger than the sum of its proper divisors (88104806678).

122121012202 is a wasteful number, since it uses less digits than its factorization.

122121012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15286.

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

Adding to 122121012202 its reverse (202210121221), we get a palindrome (324331133423).

The spelling of 122121012202 in words is "one hundred twenty-two billion, one hundred twenty-one million, twelve thousand, two hundred two".