121201200000202 has 32 divisors (see below), whose sum is σ = 208544251155840. Its totient is φ = 51750735671040.

The previous prime is 121201200000191. The next prime is 121201200000247. The reversal of 121201200000202 is 202000002102121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23883198 + ... + 28509814.

It is an arithmetic number, because the mean of its divisors is an integer number (6517007848620).

Almost surely, 2^{121201200000202} is an apocalyptic number.

121201200000202 is a deficient number, since it is larger than the sum of its proper divisors (87343051155638).

121201200000202 is a wasteful number, since it uses less digits than its factorization.

121201200000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633566.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121201200000202 its reverse (202000002102121), we get a palindrome (323201202102323).

The spelling of 121201200000202 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred million, two hundred two", and thus it is an aban number.