1301201002121 has 8 divisors (see below), whose sum is σ = 1303850176704. Its totient is φ = 1298552443920.

The previous prime is 1301201002061. The next prime is 1301201002147. The reversal of 1301201002121 is 1212001021031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301201002121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301201002096 and 1301201002105.

It is not an unprimeable number, because it can be changed into a prime (1301201002151) 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, 4196975 + ... + 4496331.

It is an arithmetic number, because the mean of its divisors is an integer number (162981272088).

Almost surely, 2^{1301201002121} is an apocalyptic number.

It is an amenable number.

1301201002121 is a deficient number, since it is larger than the sum of its proper divisors (2649174583).

1301201002121 is an equidigital number, since it uses as much as digits as its factorization.

1301201002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308191.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1301201002121 its reverse (1212001021031), we get a palindrome (2513202023152).

The spelling of 1301201002121 in words is "one trillion, three hundred one billion, two hundred one million, two thousand, one hundred twenty-one".