1213522313435 has 32 divisors (see below), whose sum is σ = 1522043654400. Its totient is φ = 927683084160.

The previous prime is 1213522313401. The next prime is 1213522313441. The reversal of 1213522313435 is 5343132253121.

It is not a de Polignac number, because 1213522313435 - 2²⁴ = 1213505536219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213522313395 and 1213522313404.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5365712 + ... + 5587298.

It is an arithmetic number, because the mean of its divisors is an integer number (47563864200).

Almost surely, 2^{1213522313435} is an apocalyptic number.

1213522313435 is a deficient number, since it is larger than the sum of its proper divisors (308521340965).

1213522313435 is a wasteful number, since it uses less digits than its factorization.

1213522313435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222011.

The product of its digits is 64800, while the sum is 35.

Adding to 1213522313435 its reverse (5343132253121), we get a palindrome (6556654566556).

The spelling of 1213522313435 in words is "one trillion, two hundred thirteen billion, five hundred twenty-two million, three hundred thirteen thousand, four hundred thirty-five".