1012143213101 has 4 divisors (see below), whose sum is σ = 1018203951072. Its totient is φ = 1006082475132.

The previous prime is 1012143213079. The next prime is 1012143213127. The reversal of 1012143213101 is 1013123412101.

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 a de Polignac number, because none of the positive numbers 2^k-1012143213101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012143203101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3030368735 + ... + 3030369068.

It is an arithmetic number, because the mean of its divisors is an integer number (254550987768).

Almost surely, 2^{1012143213101} is an apocalyptic number.

It is an amenable number.

1012143213101 is a deficient number, since it is larger than the sum of its proper divisors (6060737971).

1012143213101 is an equidigital number, since it uses as much as digits as its factorization.

1012143213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060737970.

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

Adding to 1012143213101 its reverse (1013123412101), we get a palindrome (2025266625202).

The spelling of 1012143213101 in words is "one trillion, twelve billion, one hundred forty-three million, two hundred thirteen thousand, one hundred one".