121012102002 has 16 divisors (see below), whose sum is σ = 264026404512. Its totient is φ = 36670333920.

The previous prime is 121012101979. The next prime is 121012102007. The reversal of 121012102002 is 200201210121.

It is not an unprimeable number, because it can be changed into a prime (121012102007) 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 7 ways as a sum of consecutive naturals, for example, 916758283 + ... + 916758414.

It is an arithmetic number, because the mean of its divisors is an integer number (16501650282).

Almost surely, 2^121012102002 is an apocalyptic number.

121012102002 is an abundant number, since it is smaller than the sum of its proper divisors (143014302510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121012102002 is a wasteful number, since it uses less digits than its factorization.

121012102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833516713.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121012102002 its reverse (200201210121), we get a palindrome (321213312123).

The spelling of 121012102002 in words is "one hundred twenty-one billion, twelve million, one hundred two thousand, two".