1012120221301 has 4 divisors (see below), whose sum is σ = 1156708824352. Its totient is φ = 867531618252.

The previous prime is 1012120221283. The next prime is 1012120221313. The reversal of 1012120221301 is 1031220212101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012120221301 - 2²⁵ = 1012086666869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012120221361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72294301515 + ... + 72294301528.

It is an arithmetic number, because the mean of its divisors is an integer number (289177206088).

Almost surely, 2^{1012120221301} is an apocalyptic number.

It is an amenable number.

1012120221301 is a deficient number, since it is larger than the sum of its proper divisors (144588603051).

1012120221301 is an equidigital number, since it uses as much as digits as its factorization.

1012120221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144588603050.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1012120221301 its reverse (1031220212101), we get a palindrome (2043340433402).

The spelling of 1012120221301 in words is "one trillion, twelve billion, one hundred twenty million, two hundred twenty-one thousand, three hundred one".