1212033130021 has 8 divisors (see below), whose sum is σ = 1385190258624. Its totient is φ = 1038878386080.

The previous prime is 1212033129997. The next prime is 1212033130051. The reversal of 1212033130021 is 1200313302121.

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 1212033130021 - 2¹⁹ = 1212032605733 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 (1212033130051) 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, 673146 + ... + 1696228.

It is an arithmetic number, because the mean of its divisors is an integer number (173148782328).

Almost surely, 2^{1212033130021} is an apocalyptic number.

It is an amenable number.

1212033130021 is a deficient number, since it is larger than the sum of its proper divisors (173157128603).

1212033130021 is a wasteful number, since it uses less digits than its factorization.

1212033130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192331.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1212033130021 its reverse (1200313302121), we get a palindrome (2412346432142).

The spelling of 1212033130021 in words is "one trillion, two hundred twelve billion, thirty-three million, one hundred thirty thousand, twenty-one".