121112011212010 has 128 divisors (see below), whose sum is σ = 278713467648000. Its totient is φ = 36854669537280.

The previous prime is 121112011211957. The next prime is 121112011212029. The reversal of 121112011212010 is 10212110211121.

121112011212010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3161410 + ... + 15881389.

It is an arithmetic number, because the mean of its divisors is an integer number (2177448966000).

Almost surely, 2^{121112011212010} is an apocalyptic number.

121112011212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112011212010 is an abundant number, since it is smaller than the sum of its proper divisors (157601456435990).

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

121112011212010 is a wasteful number, since it uses less digits than its factorization.

121112011212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19043096.

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

Adding to 121112011212010 its reverse (10212110211121), we get a palindrome (131324121423131).

The spelling of 121112011212010 in words is "one hundred twenty-one trillion, one hundred twelve billion, eleven million, two hundred twelve thousand, ten".