1220011213001 has 8 divisors (see below), whose sum is σ = 1423964455680. Its totient is φ = 1023474451968.

The previous prime is 1220011212983. The next prime is 1220011213019. The reversal of 1220011213001 is 1003121100221.

It is an interprime number because it is at equal distance from previous prime (1220011212983) and next prime (1220011213019).

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 1220011213001 - 2³⁰ = 1218937471177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1220011213301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854120056 + ... + 1854120713.

It is an arithmetic number, because the mean of its divisors is an integer number (177995556960).

Almost surely, 2^{1220011213001} is an apocalyptic number.

It is an amenable number.

1220011213001 is a deficient number, since it is larger than the sum of its proper divisors (203953242679).

1220011213001 is an equidigital number, since it uses as much as digits as its factorization.

1220011213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708240823.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1220011213001 its reverse (1003121100221), we get a palindrome (2223132313222).

The spelling of 1220011213001 in words is "one trillion, two hundred twenty billion, eleven million, two hundred thirteen thousand, one".