1213010311233 has 8 divisors (see below), whose sum is σ = 1848396664768. Its totient is φ = 693148749264.

The previous prime is 1213010311207. The next prime is 1213010311267. The reversal of 1213010311233 is 3321130103121.

It is a happy number.

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

It is not a de Polignac number, because 1213010311233 - 2⁶ = 1213010311169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 57762395773 = 1213010311233 / (1 + 2 + 1 + 3 + 0 + 1 + 0 + 3 + 1 + 1 + 2 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213010311033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28881197866 + ... + 28881197907.

It is an arithmetic number, because the mean of its divisors is an integer number (231049583096).

Almost surely, 2^{1213010311233} is an apocalyptic number.

It is an amenable number.

1213010311233 is a deficient number, since it is larger than the sum of its proper divisors (635386353535).

1213010311233 is an equidigital number, since it uses as much as digits as its factorization.

1213010311233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57762395783.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1213010311233 its reverse (3321130103121), we get a palindrome (4534140414354).

The spelling of 1213010311233 in words is "one trillion, two hundred thirteen billion, ten million, three hundred eleven thousand, two hundred thirty-three".