1213454525035 has 4 divisors (see below), whose sum is σ = 1456145430048. Its totient is φ = 970763620024.

The previous prime is 1213454525033. The next prime is 1213454525047. The reversal of 1213454525035 is 5305254543121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1213454525035 - 2¹ = 1213454525033 is a prime.

It is a super-3 number, since 3×1213454525035³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213454525033) 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 3 ways as a sum of consecutive naturals, for example, 121345452499 + ... + 121345452508.

It is an arithmetic number, because the mean of its divisors is an integer number (364036357512).

Almost surely, 2^{1213454525035} is an apocalyptic number.

1213454525035 is a deficient number, since it is larger than the sum of its proper divisors (242690905013).

1213454525035 is an equidigital number, since it uses as much as digits as its factorization.

1213454525035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242690905012.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 1213454525035 in words is "one trillion, two hundred thirteen billion, four hundred fifty-four million, five hundred twenty-five thousand, thirty-five".