1202121102010 has 32 divisors (see below), whose sum is σ = 2262837917952. Its totient is φ = 458935509120.

The previous prime is 1202121101989. The next prime is 1202121102019. The reversal of 1202121102010 is 102011212021.

It is not an unprimeable number, because it can be changed into a prime (1202121102019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5613286 + ... + 5823505.

It is an arithmetic number, because the mean of its divisors is an integer number (70713684936).

Almost surely, 2^{1202121102010} is an apocalyptic number.

1202121102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202121102010 is a deficient number, since it is larger than the sum of its proper divisors (1060716815942).

1202121102010 is a wasteful number, since it uses less digits than its factorization.

1202121102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11437278.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1202121102010 its reverse (102011212021), we get a palindrome (1304132314031).

The spelling of 1202121102010 in words is "one trillion, two hundred two billion, one hundred twenty-one million, one hundred two thousand, ten".