1213133123229 has 16 divisors (see below), whose sum is σ = 1632404336640. Its totient is φ = 801309153600.

The previous prime is 1213133123219. The next prime is 1213133123239. The reversal of 1213133123229 is 9223213313121.

It is an interprime number because it is at equal distance from previous prime (1213133123219) and next prime (1213133123239).

It is not a de Polignac number, because 1213133123229 - 2²⁷ = 1212998905501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213133123229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213133123219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17714404 + ... + 17782754.

It is an arithmetic number, because the mean of its divisors is an integer number (102025271040).

Almost surely, 2^{1213133123229} is an apocalyptic number.

It is an amenable number.

1213133123229 is a deficient number, since it is larger than the sum of its proper divisors (419271213411).

1213133123229 is a wasteful number, since it uses less digits than its factorization.

1213133123229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122740.

The product of its digits is 11664, while the sum is 33.

The spelling of 1213133123229 in words is "one trillion, two hundred thirteen billion, one hundred thirty-three million, one hundred twenty-three thousand, two hundred twenty-nine".