1220001212201 has 8 divisors (see below), whose sum is σ = 1239809815680. Its totient is φ = 1200301747632.

The previous prime is 1220001212191. The next prime is 1220001212233. The reversal of 1220001212201 is 1022121000221.

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

It is not a de Polignac number, because 1220001212201 - 2¹⁴ = 1220001195817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220001212501) 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, 27262190 + ... + 27306903.

It is an arithmetic number, because the mean of its divisors is an integer number (154976226960).

Almost surely, 2^{1220001212201} is an apocalyptic number.

It is an amenable number.

1220001212201 is a deficient number, since it is larger than the sum of its proper divisors (19808603479).

1220001212201 is an equidigital number, since it uses as much as digits as its factorization.

1220001212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54569455.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220001212201 its reverse (1022121000221), we get a palindrome (2242122212422).

The spelling of 1220001212201 in words is "one trillion, two hundred twenty billion, one million, two hundred twelve thousand, two hundred one".