1220213320001 has 8 divisors (see below), whose sum is σ = 1314504382464. Its totient is φ = 1125983471760.

The previous prime is 1220213319959. The next prime is 1220213320003. The reversal of 1220213320001 is 1000233120221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220213320001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220213320003) 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, 15262145 + ... + 15341886.

It is an arithmetic number, because the mean of its divisors is an integer number (164313047808).

Almost surely, 2^{1220213320001} is an apocalyptic number.

It is an amenable number.

1220213320001 is a deficient number, since it is larger than the sum of its proper divisors (94291062463).

1220213320001 is a wasteful number, since it uses less digits than its factorization.

1220213320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30607111.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1220213320001 its reverse (1000233120221), we get a palindrome (2220446440222).

The spelling of 1220213320001 in words is "one trillion, two hundred twenty billion, two hundred thirteen million, three hundred twenty thousand, one".