1213023214 has 32 divisors (see below), whose sum is σ = 1998743040. Its totient is φ = 548738400.

The previous prime is 1213023187. The next prime is 1213023221. The reversal of 1213023214 is 4123203121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1213023191 and 1213023200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328599 + ... + 332269.

It is an arithmetic number, because the mean of its divisors is an integer number (62460720).

Almost surely, 2^1213023214 is an apocalyptic number.

1213023214 is a deficient number, since it is larger than the sum of its proper divisors (785719826).

1213023214 is a wasteful number, since it uses less digits than its factorization.

1213023214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936.

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

The square root of 1213023214 is about 34828.4827978481. The cubic root of 1213023214 is about 1066.4889762388.

Adding to 1213023214 its reverse (4123203121), we get a palindrome (5336226335).

It can be divided in two parts, 12130 and 23214, that added together give a square (35344 = 188²).

The spelling of 1213023214 in words is "one billion, two hundred thirteen million, twenty-three thousand, two hundred fourteen".