1220051231301 has 8 divisors (see below), whose sum is σ = 1859125685824. Its totient is φ = 697172132160.

The previous prime is 1220051231291. The next prime is 1220051231341. The reversal of 1220051231301 is 1031321500221.

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

It is not a de Polignac number, because 1220051231301 - 2¹⁹ = 1220050707013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 58097677681 = 1220051231301 / (1 + 2 + 2 + 0 + 0 + 5 + 1 + 2 + 3 + 1 + 3 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220051231341) 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, 29048838820 + ... + 29048838861.

It is an arithmetic number, because the mean of its divisors is an integer number (232390710728).

Almost surely, 2^{1220051231301} is an apocalyptic number.

It is an amenable number.

1220051231301 is a deficient number, since it is larger than the sum of its proper divisors (639074454523).

1220051231301 is an equidigital number, since it uses as much as digits as its factorization.

1220051231301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58097677691.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 1220051231301 its reverse (1031321500221), we get a palindrome (2251372731522).

The spelling of 1220051231301 in words is "one trillion, two hundred twenty billion, fifty-one million, two hundred thirty-one thousand, three hundred one".