1220012101201 has 16 divisors (see below), whose sum is σ = 1294599656448. Its totient is φ = 1148082163200.

The previous prime is 1220012101159. The next prime is 1220012101219. The reversal of 1220012101201 is 1021012100221.

It is a cyclic number.

It is not a de Polignac number, because 1220012101201 - 2²⁹ = 1219475230289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220012101261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3635896 + ... + 3957241.

It is an arithmetic number, because the mean of its divisors is an integer number (80912478528).

Almost surely, 2^{1220012101201} is an apocalyptic number.

It is an amenable number.

1220012101201 is a deficient number, since it is larger than the sum of its proper divisors (74587555247).

1220012101201 is an equidigital number, since it uses as much as digits as its factorization.

1220012101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593312.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220012101201 its reverse (1021012100221), we get a palindrome (2241024201422).

The spelling of 1220012101201 in words is "one trillion, two hundred twenty billion, twelve million, one hundred one thousand, two hundred one".