1235222828141 has 4 divisors (see below), whose sum is σ = 1258528919292. Its totient is φ = 1211916736992.

The previous prime is 1235222828131. The next prime is 1235222828209. The reversal of 1235222828141 is 1418282225321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 759887041225 + 475335786916 = 871715^2 + 689446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1235222828141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235222828131) 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, 11653045496 + ... + 11653045601.

It is an arithmetic number, because the mean of its divisors is an integer number (314632229823).

Almost surely, 2^{1235222828141} is an apocalyptic number.

It is an amenable number.

1235222828141 is a deficient number, since it is larger than the sum of its proper divisors (23306091151).

1235222828141 is an equidigital number, since it uses as much as digits as its factorization.

1235222828141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23306091150.

The product of its digits is 122880, while the sum is 41.

The spelling of 1235222828141 in words is "one trillion, two hundred thirty-five billion, two hundred twenty-two million, eight hundred twenty-eight thousand, one hundred forty-one".