12012221201010 has 16 divisors (see below), whose sum is σ = 28829330882496. Its totient is φ = 3203258986928.

The previous prime is 12012221201003. The next prime is 12012221201059. The reversal of 12012221201010 is 1010212221021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 200203686654 + ... + 200203686713.

It is an arithmetic number, because the mean of its divisors is an integer number (1801833180156).

Almost surely, 2^{12012221201010} is an apocalyptic number.

12012221201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012221201010 is an abundant number, since it is smaller than the sum of its proper divisors (16817109681486).

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

12012221201010 is a wasteful number, since it uses less digits than its factorization.

12012221201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400407373377.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12012221201010 its reverse (1010212221021), we get a palindrome (13022433422031).

The spelling of 12012221201010 in words is "twelve trillion, twelve billion, two hundred twenty-one million, two hundred one thousand, ten".