1210020223 has 4 divisors (see below), whose sum is σ = 1215755128. Its totient is φ = 1204285320.

The previous prime is 1210020221. The next prime is 1210020233. The reversal of 1210020223 is 3220200121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1210020223 - 2¹ = 1210020221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210020221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2867136 + ... + 2867557.

It is an arithmetic number, because the mean of its divisors is an integer number (303938782).

Almost surely, 2^1210020223 is an apocalyptic number.

1210020223 is a deficient number, since it is larger than the sum of its proper divisors (5734905).

1210020223 is an equidigital number, since it uses as much as digits as its factorization.

1210020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734904.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1210020223 is about 34785.3449458245. The cubic root of 1210020223 is about 1065.6081732829.

Adding to 1210020223 its reverse (3220200121), we get a palindrome (4430220344).

It can be divided in two parts, 12100 and 20223, that added together give a palindrome (32323).

The spelling of 1210020223 in words is "one billion, two hundred ten million, twenty thousand, two hundred twenty-three".