1213423601829 has 8 divisors (see below), whose sum is σ = 1618083986400. Its totient is φ = 808856142576.

The previous prime is 1213423601801. The next prime is 1213423601837. The reversal of 1213423601829 is 9281063243121.

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 1213423601829 - 2¹² = 1213423597733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213423601879) 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 7 ways as a sum of consecutive naturals, for example, 23200854 + ... + 23253095.

It is an arithmetic number, because the mean of its divisors is an integer number (202260498300).

Almost surely, 2^{1213423601829} is an apocalyptic number.

It is an amenable number.

1213423601829 is a deficient number, since it is larger than the sum of its proper divisors (404660384571).

1213423601829 is an equidigital number, since it uses as much as digits as its factorization.

1213423601829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46462659.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 1213423601829 in words is "one trillion, two hundred thirteen billion, four hundred twenty-three million, six hundred one thousand, eight hundred twenty-nine".