1220243359495 has 8 divisors (see below), whose sum is σ = 1474826507280. Its totient is φ = 969171703680.

The previous prime is 1220243359493. The next prime is 1220243359571. The reversal of 1220243359495 is 5949533420221.

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

It is not a de Polignac number, because 1220243359495 - 2¹ = 1220243359493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220243359493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877872226 + ... + 877873615.

It is an arithmetic number, because the mean of its divisors is an integer number (184353313410).

Almost surely, 2^{1220243359495} is an apocalyptic number.

1220243359495 is a deficient number, since it is larger than the sum of its proper divisors (254583147785).

1220243359495 is a wasteful number, since it uses less digits than its factorization.

1220243359495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755745985.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 1220243359495 in words is "one trillion, two hundred twenty billion, two hundred forty-three million, three hundred fifty-nine thousand, four hundred ninety-five".