121010202012 has 96 divisors (see below), whose sum is σ = 327693510144. Its totient is φ = 34042464000.

The previous prime is 121010201989. The next prime is 121010202067. The reversal of 121010202012 is 210202010121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1496203 + ... + 1575005.

It is an arithmetic number, because the mean of its divisors is an integer number (3413474064).

Almost surely, 2^121010202012 is an apocalyptic number.

121010202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121010202012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163846755072).

121010202012 is an abundant number, since it is smaller than the sum of its proper divisors (206683308132).

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

121010202012 is a wasteful number, since it uses less digits than its factorization.

121010202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79099 (or 79097 counting only the distinct ones).

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

Adding to 121010202012 its reverse (210202010121), we get a palindrome (331212212133).

The spelling of 121010202012 in words is "one hundred twenty-one billion, ten million, two hundred two thousand, twelve".