1220202763873 has 8 divisors (see below), whose sum is σ = 1292024284128. Its totient is φ = 1148386231104.

The previous prime is 1220202763867. The next prime is 1220202763903. The reversal of 1220202763873 is 3783672020221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220202763873 - 2⁵ = 1220202763841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220202763853) 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, 737211 + ... + 1727392.

It is an arithmetic number, because the mean of its divisors is an integer number (161503035516).

Almost surely, 2^{1220202763873} is an apocalyptic number.

It is an amenable number.

1220202763873 is a deficient number, since it is larger than the sum of its proper divisors (71821520255).

1220202763873 is a wasteful number, since it uses less digits than its factorization.

1220202763873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493743.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 1220202763873 in words is "one trillion, two hundred twenty billion, two hundred two million, seven hundred sixty-three thousand, eight hundred seventy-three".