1012120022201 has 8 divisors (see below), whose sum is σ = 1023244842984. Its totient is φ = 1001009295360.

The previous prime is 1012120022191. The next prime is 1012120022227. The reversal of 1012120022201 is 1022200212101.

It can be written as a sum of positive squares in 4 ways, for example, as 375371880976 + 636748141225 = 612676^2 + 797965^2 .

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 1012120022201 - 2¹⁰ = 1012120021177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012120021201) 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, 3379040 + ... + 3666353.

It is an arithmetic number, because the mean of its divisors is an integer number (127905605373).

Almost surely, 2^{1012120022201} is an apocalyptic number.

It is an amenable number.

1012120022201 is a deficient number, since it is larger than the sum of its proper divisors (11124820783).

1012120022201 is an equidigital number, since it uses as much as digits as its factorization.

1012120022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046971.

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

Adding to 1012120022201 its reverse (1022200212101), we get a palindrome (2034320234302).

The spelling of 1012120022201 in words is "one trillion, twelve billion, one hundred twenty million, twenty-two thousand, two hundred one".