1212021201013 has 8 divisors (see below), whose sum is σ = 1458070617920. Its totient is φ = 984197666880.

The previous prime is 1212021200963. The next prime is 1212021201019. The reversal of 1212021201013 is 3101021202121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212021201013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212021201019) 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, 4556470548 + ... + 4556470813.

It is an arithmetic number, because the mean of its divisors is an integer number (182258827240).

Almost surely, 2^{1212021201013} is an apocalyptic number.

It is an amenable number.

1212021201013 is a deficient number, since it is larger than the sum of its proper divisors (246049416907).

1212021201013 is an equidigital number, since it uses as much as digits as its factorization.

1212021201013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9112941387.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1212021201013 its reverse (3101021202121), we get a palindrome (4313042403134).

The spelling of 1212021201013 in words is "one trillion, two hundred twelve billion, twenty-one million, two hundred one thousand, thirteen".