1012021223 has 8 divisors (see below), whose sum is σ = 1015580592. Its totient is φ = 1008468736.

The previous prime is 1012021201. The next prime is 1012021259. The reversal of 1012021223 is 3221202101.

It is a happy number.

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 1012021223 - 2¹⁴ = 1012004839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012021198 and 1012021207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012021123) 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, 595511 + ... + 597207.

It is an arithmetic number, because the mean of its divisors is an integer number (126947574).

Almost surely, 2^1012021223 is an apocalyptic number.

1012021223 is a deficient number, since it is larger than the sum of its proper divisors (3559369).

1012021223 is a wasteful number, since it uses less digits than its factorization.

1012021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1012021223 is about 31812.2810090694. The cubic root of 1012021223 is about 1003.9911240704.

Adding to 1012021223 its reverse (3221202101), we get a palindrome (4233223324).

The spelling of 1012021223 in words is "one billion, twelve million, twenty-one thousand, two hundred twenty-three".