1212343110201 has 16 divisors (see below), whose sum is σ = 1637758607360. Its totient is φ = 797588672400.

The previous prime is 1212343110127. The next prime is 1212343110203. The reversal of 1212343110201 is 1020113432121.

It is not a de Polignac number, because 1212343110201 - 2²³ = 1212334721593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212343110203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848575 + ... + 1773348.

It is an arithmetic number, because the mean of its divisors is an integer number (102359912960).

Almost surely, 2^{1212343110201} is an apocalyptic number.

It is an amenable number.

1212343110201 is a deficient number, since it is larger than the sum of its proper divisors (425415497159).

1212343110201 is a wasteful number, since it uses less digits than its factorization.

1212343110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623956.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1212343110201 its reverse (1020113432121), we get a palindrome (2232456542322).

The spelling of 1212343110201 in words is "one trillion, two hundred twelve billion, three hundred forty-three million, one hundred ten thousand, two hundred one".