1213001233331 has 8 divisors (see below), whose sum is σ = 1214111461104. Its totient is φ = 1211891259040.

The previous prime is 1213001233247. The next prime is 1213001233361. The reversal of 1213001233331 is 1333321003121.

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 1213001233331 - 2¹⁸ = 1213000971187 is a prime.

It is a super-2 number, since 2×1213001233331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213001233297 and 1213001233306.

It is not an unprimeable number, because it can be changed into a prime (1213001233361) 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, 10276076 + ... + 10393446.

It is an arithmetic number, because the mean of its divisors is an integer number (151763932638).

Almost surely, 2^{1213001233331} is an apocalyptic number.

1213001233331 is a deficient number, since it is larger than the sum of its proper divisors (1110227773).

1213001233331 is a wasteful number, since it uses less digits than its factorization.

1213001233331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126741.

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

Adding to 1213001233331 its reverse (1333321003121), we get a palindrome (2546322236452).

The spelling of 1213001233331 in words is "one trillion, two hundred thirteen billion, one million, two hundred thirty-three thousand, three hundred thirty-one".