1212213021133 has 8 divisors (see below), whose sum is σ = 1251336567296. Its totient is φ = 1173090718800.

The previous prime is 1212213021119. The next prime is 1212213021167. The reversal of 1212213021133 is 3311203122121.

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 1212213021133 - 2¹⁷ = 1212212890061 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 (1212213022133) 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, 1924960 + ... + 2475862.

It is an arithmetic number, because the mean of its divisors is an integer number (156417070912).

Almost surely, 2^{1212213021133} is an apocalyptic number.

It is an amenable number.

1212213021133 is a deficient number, since it is larger than the sum of its proper divisors (39123546163).

1212213021133 is an equidigital number, since it uses as much as digits as its factorization.

1212213021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621915.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1212213021133 its reverse (3311203122121), we get a palindrome (4523416143254).

The spelling of 1212213021133 in words is "one trillion, two hundred twelve billion, two hundred thirteen million, twenty-one thousand, one hundred thirty-three".