12101312212301 has 16 divisors (see below), whose sum is σ = 13104552093360. Its totient is φ = 11108414338560.

The previous prime is 12101312212259. The next prime is 12101312212303. The reversal of 12101312212301 is 10321221310121.

It can be written as a sum of positive squares in 8 ways, for example, as 2403039430276 + 9698272782025 = 1550174^2 + 3114205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101312212301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101312212303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147663905 + ... + 147745833.

It is an arithmetic number, because the mean of its divisors is an integer number (819034505835).

Almost surely, 2^{12101312212301} is an apocalyptic number.

It is an amenable number.

12101312212301 is a deficient number, since it is larger than the sum of its proper divisors (1003239881059).

12101312212301 is a wasteful number, since it uses less digits than its factorization.

12101312212301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144896.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12101312212301 its reverse (10321221310121), we get a palindrome (22422533522422).

The spelling of 12101312212301 in words is "twelve trillion, one hundred one billion, three hundred twelve million, two hundred twelve thousand, three hundred one".