121212001010010 has 64 divisors (see below), whose sum is σ = 302281652772864. Its totient is φ = 31073360616000.

The previous prime is 121212001010003. The next prime is 121212001010027. The reversal of 121212001010010 is 10010100212121.

121212001010010 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 31 ways as a sum of consecutive naturals, for example, 431434024 + ... + 431714883.

It is an arithmetic number, because the mean of its divisors is an integer number (4723150824576).

Almost surely, 2^{121212001010010} is an apocalyptic number.

121212001010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121212001010010 is an abundant number, since it is smaller than the sum of its proper divisors (181069651762854).

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

121212001010010 is a wasteful number, since it uses less digits than its factorization.

121212001010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863149099.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121212001010010 its reverse (10010100212121), we get a palindrome (131222101222131).

The spelling of 121212001010010 in words is "one hundred twenty-one trillion, two hundred twelve billion, one million, ten thousand, ten".