1214223013 has 4 divisors (see below), whose sum is σ = 1215599008. Its totient is φ = 1212847020.

The previous prime is 1214222993. The next prime is 1214223037. The reversal of 1214223013 is 3103224121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1214223013 - 2²¹ = 1212125861 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 (1214220013) 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, 686673 + ... + 688438.

It is an arithmetic number, because the mean of its divisors is an integer number (303899752).

Almost surely, 2^1214223013 is an apocalyptic number.

It is an amenable number.

1214223013 is a deficient number, since it is larger than the sum of its proper divisors (1375995).

1214223013 is an equidigital number, since it uses as much as digits as its factorization.

1214223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375994.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1214223013 is about 34845.7029345083. The cubic root of 1214223013 is about 1066.8404811262.

Adding to 1214223013 its reverse (3103224121), we get a palindrome (4317447134).

The spelling of 1214223013 in words is "one billion, two hundred fourteen million, two hundred twenty-three thousand, thirteen".