1012202313312 has 48 divisors (see below), whose sum is σ = 2657128752432. Its totient is φ = 337388367360.

The previous prime is 1012202313301. The next prime is 1012202313319. The reversal of 1012202313312 is 2133132022101.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012202313319) 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 7 ways as a sum of consecutive naturals, for example, 2646862 + ... + 3005042.

It is an arithmetic number, because the mean of its divisors is an integer number (55356849009).

Almost surely, 2^{1012202313312} is an apocalyptic number.

1012202313312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012202313312 is an abundant number, since it is smaller than the sum of its proper divisors (1644926439120).

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

1012202313312 is a wasteful number, since it uses less digits than its factorization.

1012202313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387631 (or 387623 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1012202313312 its reverse (2133132022101), we get a palindrome (3145334335413).

The spelling of 1012202313312 in words is "one trillion, twelve billion, two hundred two million, three hundred thirteen thousand, three hundred twelve".