2012010012221 has 8 divisors (see below), whose sum is σ = 2206061741664. Its totient is φ = 1819815237520.

The previous prime is 2012010012217. The next prime is 2012010012251. The reversal of 2012010012221 is 1222100102102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012010012221 - 2² = 2012010012217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012010012196 and 2012010012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012010012251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464236415 + ... + 464240748.

It is an arithmetic number, because the mean of its divisors is an integer number (275757717708).

Almost surely, 2^{2012010012221} is an apocalyptic number.

It is an amenable number.

2012010012221 is a deficient number, since it is larger than the sum of its proper divisors (194051729443).

2012010012221 is a wasteful number, since it uses less digits than its factorization.

2012010012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928477371.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2012010012221 its reverse (1222100102102), we get a palindrome (3234110114323).

The spelling of 2012010012221 in words is "two trillion, twelve billion, ten million, twelve thousand, two hundred twenty-one".