2012213321010 has 24 divisors (see below), whose sum is σ = 5231754634860. Its totient is φ = 536590218912.

The previous prime is 2012213320991. The next prime is 2012213321011. The reversal of 2012213321010 is 101233122102.

2012213321010 is a `hidden beast` number, since 201 + 221 + 33 + 210 + 1 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2009195686521 + 3017634489 = 1417461^2 + 54933^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2012213321011) 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 11 ways as a sum of consecutive naturals, for example, 11178962805 + ... + 11178962984.

Almost surely, 2^{2012213321010} is an apocalyptic number.

2012213321010 is an abundant number, since it is smaller than the sum of its proper divisors (3219541313850).

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

2012213321010 is a wasteful number, since it uses less digits than its factorization.

2012213321010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22357925802 (or 22357925799 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2012213321010 its reverse (101233122102), we get a palindrome (2113446443112).

The spelling of 2012213321010 in words is "two trillion, twelve billion, two hundred thirteen million, three hundred twenty-one thousand, ten".