1212453553223 has 8 divisors (see below), whose sum is σ = 1353436525056. Its totient is φ = 1076597235000.

The previous prime is 1212453553211. The next prime is 1212453553243. The reversal of 1212453553223 is 3223553542121.

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

It is not a de Polignac number, because 1212453553223 - 2³⁰ = 1211379811399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212453553243) 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, 1281662903 + ... + 1281663848.

It is an arithmetic number, because the mean of its divisors is an integer number (169179565632).

Almost surely, 2^{1212453553223} is an apocalyptic number.

1212453553223 is a deficient number, since it is larger than the sum of its proper divisors (140982971833).

1212453553223 is a wasteful number, since it uses less digits than its factorization.

1212453553223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563326805.

The product of its digits is 216000, while the sum is 38.

The spelling of 1212453553223 in words is "one trillion, two hundred twelve billion, four hundred fifty-three million, five hundred fifty-three thousand, two hundred twenty-three".