121001212110010 has 32 divisors (see below), whose sum is σ = 218058786063360. Its totient is φ = 48343463854848.

The previous prime is 121001212110001. The next prime is 121001212110017. The reversal of 121001212110010 is 10011212100121.

It is a happy number.

121001212110010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (121001212110017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597379531 + ... + 597582049.

It is an arithmetic number, because the mean of its divisors is an integer number (6814337064480).

Almost surely, 2^{121001212110010} is an apocalyptic number.

121001212110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121001212110010 is a deficient number, since it is larger than the sum of its proper divisors (97057573953350).

121001212110010 is a wasteful number, since it uses less digits than its factorization.

121001212110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272622.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121001212110010 its reverse (10011212100121), we get a palindrome (131012424210131).

The spelling of 121001212110010 in words is "one hundred twenty-one trillion, one billion, two hundred twelve million, one hundred ten thousand, ten".