1220410435351 has 4 divisors (see below), whose sum is σ = 1220440078792. Its totient is φ = 1220380791912.

The previous prime is 1220410435327. The next prime is 1220410435367. The reversal of 1220410435351 is 1535340140221.

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 1220410435351 - 2³⁹ = 670654621463 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 (1220410435151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14759880 + ... + 14842333.

It is an arithmetic number, because the mean of its divisors is an integer number (305110019698).

Almost surely, 2^{1220410435351} is an apocalyptic number.

1220410435351 is a deficient number, since it is larger than the sum of its proper divisors (29643441).

1220410435351 is an equidigital number, since it uses as much as digits as its factorization.

1220410435351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29643440.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1220410435351 its reverse (1535340140221), we get a palindrome (2755750575572).

The spelling of 1220410435351 in words is "one trillion, two hundred twenty billion, four hundred ten million, four hundred thirty-five thousand, three hundred fifty-one".