1401212212113 has 16 divisors (see below), whose sum is σ = 2141631220736.
Its totient is φ = 798273677520.
The previous prime is 1401212212111. The next prime is 1401212212157. The reversal of 1401212212113 is 3112122121041.
Adding to 1401212212113 its reverse (3112122121041), we get a palindrome (4513334333154).
It is not a de Polignac number, because 1401212212113 - 21 = 1401212212111 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 1401212212113.
It is not an unprimeable number, because it can be changed into a prime (1401212212111) 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, 100785181 + ... + 100799082.
It is an arithmetic number, because the mean of its divisors is an integer number (133851951296).
Almost surely, 21401212212113 is an apocalyptic number.
It is an amenable number.
1401212212113 is a deficient number, since it is larger than the sum of its proper divisors (740419008623).
1401212212113 is a wasteful number, since it uses less digits than its factorization.
1401212212113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201584604.
The product of its (nonzero) digits is 192, while the sum is 21.
The spelling of 1401212212113 in words is "one trillion, four hundred one billion, two hundred twelve million, two hundred twelve thousand, one hundred thirteen".