2012021220010 has 8 divisors (see below), whose sum is σ = 3621638196036. Its totient is φ = 804808488000.

The previous prime is 2012021219933. The next prime is 2012021220103. The reversal of 2012021220010 is 100221202102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1885312986489 + 126708233521 = 1373067^2 + 355961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 100601060991 + ... + 100601061010.

Almost surely, 2^{2012021220010} is an apocalyptic number.

2012021220010 is a deficient number, since it is larger than the sum of its proper divisors (1609616976026).

2012021220010 is a wasteful number, since it uses less digits than its factorization.

2012021220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201202122008.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2012021220010 its reverse (100221202102), we get a palindrome (2112242422112).

The spelling of 2012021220010 in words is "two trillion, twelve billion, twenty-one million, two hundred twenty thousand, ten".