1012143213102 has 16 divisors (see below), whose sum is σ = 2313470201472. Its totient is φ = 289183775160.

The previous prime is 1012143213079. The next prime is 1012143213127. The reversal of 1012143213102 is 2013123412101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12049323924 + ... + 12049324007.

It is an arithmetic number, because the mean of its divisors is an integer number (144591887592).

Almost surely, 2^{1012143213102} is an apocalyptic number.

1012143213102 is an abundant number, since it is smaller than the sum of its proper divisors (1301326988370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012143213102 is a wasteful number, since it uses less digits than its factorization.

1012143213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24098647943.

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

Adding to 1012143213102 its reverse (2013123412101), we get a palindrome (3025266625203).

The spelling of 1012143213102 in words is "one trillion, twelve billion, one hundred forty-three million, two hundred thirteen thousand, one hundred two".