1210120321301 has 4 divisors (see below), whose sum is σ = 1210129967712. Its totient is φ = 1210110674892.

The previous prime is 1210120321283. The next prime is 1210120321357. The reversal of 1210120321301 is 1031230210121.

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 1210120321301 - 2³⁸ = 935242414357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1210120321301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210120321901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4632521 + ... + 4886766.

It is an arithmetic number, because the mean of its divisors is an integer number (302532491928).

Almost surely, 2^{1210120321301} is an apocalyptic number.

It is an amenable number.

1210120321301 is a deficient number, since it is larger than the sum of its proper divisors (9646411).

1210120321301 is an equidigital number, since it uses as much as digits as its factorization.

1210120321301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9646410.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1210120321301 its reverse (1031230210121), we get a palindrome (2241350531422).

The spelling of 1210120321301 in words is "one trillion, two hundred ten billion, one hundred twenty million, three hundred twenty-one thousand, three hundred one".