121001000212010 has 32 divisors (see below), whose sum is σ = 223696582889472. Its totient is φ = 47096612897920.

The previous prime is 121001000212009. The next prime is 121001000212013. The reversal of 121001000212010 is 10212000100121.

It is a junction number, because it is equal to n+sod(n) for n = 121001000211982 and 121001000212000.

It is not an unprimeable number, because it can be changed into a prime (121001000212013) 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, 385122854 + ... + 385436913.

It is an arithmetic number, because the mean of its divisors is an integer number (6990518215296).

Almost surely, 2^{121001000212010} is an apocalyptic number.

121001000212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121001000212010 is a deficient number, since it is larger than the sum of its proper divisors (102695582677462).

121001000212010 is a wasteful number, since it uses less digits than its factorization.

121001000212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770560198.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121001000212010 its reverse (10212000100121), we get a palindrome (131213000312131).

The spelling of 121001000212010 in words is "one hundred twenty-one trillion, one billion, two hundred twelve thousand, ten".