1212013303301 has 4 divisors (see below), whose sum is σ = 1212044733900. Its totient is φ = 1211981872704.

The previous prime is 1212013303289. The next prime is 1212013303309. The reversal of 1212013303301 is 1033033102121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 820636692100 + 391376611201 = 905890^2 + 625601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212013303301 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 (1212013303309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15657386 + ... + 15734603.

It is an arithmetic number, because the mean of its divisors is an integer number (303011183475).

Almost surely, 2^{1212013303301} is an apocalyptic number.

It is an amenable number.

1212013303301 is a deficient number, since it is larger than the sum of its proper divisors (31430599).

1212013303301 is an equidigital number, since it uses as much as digits as its factorization.

1212013303301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31430598.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1212013303301 its reverse (1033033102121), we get a palindrome (2245046405422).

The spelling of 1212013303301 in words is "one trillion, two hundred twelve billion, thirteen million, three hundred three thousand, three hundred one".