1213010312333 has 4 divisors (see below), whose sum is σ = 1229626892028. Its totient is φ = 1196393732640.

The previous prime is 1213010312329. The next prime is 1213010312369. The reversal of 1213010312333 is 3332130103121.

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 587372025604 + 625638286729 = 766402^2 + 790973^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213010312333 - 2² = 1213010312329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213010312299 and 1213010312308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213010312233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8308289738 + ... + 8308289883.

It is an arithmetic number, because the mean of its divisors is an integer number (307406723007).

Almost surely, 2^{1213010312333} is an apocalyptic number.

It is an amenable number.

1213010312333 is a deficient number, since it is larger than the sum of its proper divisors (16616579695).

1213010312333 is an equidigital number, since it uses as much as digits as its factorization.

1213010312333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16616579694.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1213010312333 its reverse (3332130103121), we get a palindrome (4545140415454).

The spelling of 1213010312333 in words is "one trillion, two hundred thirteen billion, ten million, three hundred twelve thousand, three hundred thirty-three".