1201211223 has 8 divisors (see below), whose sum is σ = 1605332736. Its totient is φ = 798948600.

The previous prime is 1201211203. The next prime is 1201211269. The reversal of 1201211223 is 3221121021.

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

It is not a de Polignac number, because 1201211223 - 2⁶ = 1201211159 is a prime.

It is a super-2 number, since 2×1201211223² = 2885816804522311458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201211203) 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, 463213 + ... + 465798.

It is an arithmetic number, because the mean of its divisors is an integer number (200666592).

Almost surely, 2^1201211223 is an apocalyptic number.

1201211223 is a deficient number, since it is larger than the sum of its proper divisors (404121513).

1201211223 is an equidigital number, since it uses as much as digits as its factorization.

1201211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929445.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1201211223 is about 34658.4942402292. The cubic root of 1201211223 is about 1063.0159813191.

Adding to 1201211223 its reverse (3221121021), we get a palindrome (4422332244).

The spelling of 1201211223 in words is "one billion, two hundred one million, two hundred eleven thousand, two hundred twenty-three".