2212012010021 has 16 divisors (see below), whose sum is σ = 2417218502400. Its totient is φ = 2007492587520.

The previous prime is 2212012010017. The next prime is 2212012010059. The reversal of 2212012010021 is 1200102102122.

It is a cyclic number.

It is not a de Polignac number, because 2212012010021 - 2² = 2212012010017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212012009978 and 2212012010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212012010521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36562805 + ... + 36623253.

It is an arithmetic number, because the mean of its divisors is an integer number (151076156400).

Almost surely, 2^{2212012010021} is an apocalyptic number.

It is an amenable number.

2212012010021 is a deficient number, since it is larger than the sum of its proper divisors (205206492379).

2212012010021 is a wasteful number, since it uses less digits than its factorization.

2212012010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66076.

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

Adding to 2212012010021 its reverse (1200102102122), we get a palindrome (3412114112143).

The spelling of 2212012010021 in words is "two trillion, two hundred twelve billion, twelve million, ten thousand, twenty-one".