10212120101010 has 64 divisors (see below), whose sum is σ = 24766047820800. Its totient is φ = 2694712108800.

The previous prime is 10212120101003. The next prime is 10212120101011. The reversal of 10212120101010 is 1010102121201.

It is not an unprimeable number, because it can be changed into a prime (10212120101011) by changing a digit.

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, 4278591 + ... + 6223389.

It is an arithmetic number, because the mean of its divisors is an integer number (386969497200).

Almost surely, 2^{10212120101010} is an apocalyptic number.

10212120101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212120101010 is an abundant number, since it is smaller than the sum of its proper divisors (14553927719790).

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

10212120101010 is a wasteful number, since it uses less digits than its factorization.

10212120101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946643.

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

Adding to 10212120101010 its reverse (1010102121201), we get a palindrome (11222222222211).

The spelling of 10212120101010 in words is "ten trillion, two hundred twelve billion, one hundred twenty million, one hundred one thousand, ten".