1214201231 has 8 divisors (see below), whose sum is σ = 1218672000. Its totient is φ = 1209739608.

The previous prime is 1214201207. The next prime is 1214201239. The reversal of 1214201231 is 1321024121.

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 1214201231 - 2⁶ = 1214201167 is a prime.

It is a super-2 number, since 2×1214201231² = 2948569258723830722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214201239) 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, 361100 + ... + 364446.

It is an arithmetic number, because the mean of its divisors is an integer number (152334000).

Almost surely, 2^1214201231 is an apocalyptic number.

1214201231 is a deficient number, since it is larger than the sum of its proper divisors (4470769).

1214201231 is an equidigital number, since it uses as much as digits as its factorization.

1214201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1214201231 is about 34845.3903838083. The cubic root of 1214201231 is about 1066.8341017219.

Adding to 1214201231 its reverse (1321024121), we get a palindrome (2535225352).

The spelling of 1214201231 in words is "one billion, two hundred fourteen million, two hundred one thousand, two hundred thirty-one".