1212032213 has 8 divisors (see below), whose sum is σ = 1404155328. Its totient is φ = 1024653024.

The previous prime is 1212032167. The next prime is 1212032243. The reversal of 1212032213 is 3122302121.

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 1212032213 - 2⁸ = 1212031957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212032191 and 1212032200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212032243) 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, 1185431 + ... + 1186452.

It is an arithmetic number, because the mean of its divisors is an integer number (175519416).

Almost surely, 2^1212032213 is an apocalyptic number.

It is an amenable number.

1212032213 is a deficient number, since it is larger than the sum of its proper divisors (192123115).

1212032213 is an equidigital number, since it uses as much as digits as its factorization.

1212032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371963.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1212032213 is about 34814.2530151086. The cubic root of 1212032213 is about 1066.1984680342.

Adding to 1212032213 its reverse (3122302121), we get a palindrome (4334334334).

The spelling of 1212032213 in words is "one billion, two hundred twelve million, thirty-two thousand, two hundred thirteen".