1201220003001 has 8 divisors (see below), whose sum is σ = 1638873802720. Its totient is φ = 782189769312.

The previous prime is 1201220002981. The next prime is 1201220003021. The reversal of 1201220003001 is 1003000221021.

It is an interprime number because it is at equal distance from previous prime (1201220002981) and next prime (1201220003021).

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

It is not a de Polignac number, because 1201220003001 - 2¹³ = 1201219994809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201220003021) 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, 4655891356 + ... + 4655891613.

It is an arithmetic number, because the mean of its divisors is an integer number (204859225340).

Almost surely, 2^{1201220003001} is an apocalyptic number.

It is an amenable number.

1201220003001 is a deficient number, since it is larger than the sum of its proper divisors (437653799719).

1201220003001 is an equidigital number, since it uses as much as digits as its factorization.

1201220003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311783015.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1201220003001 its reverse (1003000221021), we get a palindrome (2204220224022).

The spelling of 1201220003001 in words is "one trillion, two hundred one billion, two hundred twenty million, three thousand, one".