1012233202221 has 32 divisors (see below), whose sum is σ = 1439261614080. Its totient is φ = 631321092864.

The previous prime is 1012233202217. The next prime is 1012233202259. The reversal of 1012233202221 is 1222023322101.

It is not a de Polignac number, because 1012233202221 - 2² = 1012233202217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012233202261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4724016 + ... + 4933638.

It is an arithmetic number, because the mean of its divisors is an integer number (44976925440).

Almost surely, 2^{1012233202221} is an apocalyptic number.

It is an amenable number.

1012233202221 is a deficient number, since it is larger than the sum of its proper divisors (427028411859).

1012233202221 is a wasteful number, since it uses less digits than its factorization.

1012233202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211185.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1012233202221 its reverse (1222023322101), we get a palindrome (2234256524322).

The spelling of 1012233202221 in words is "one trillion, twelve billion, two hundred thirty-three million, two hundred two thousand, two hundred twenty-one".