1012322303212 has 24 divisors (see below), whose sum is σ = 1999257215760. Its totient is φ = 444279380160.

The previous prime is 1012322303171. The next prime is 1012322303219. The reversal of 1012322303212 is 2123032232101.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1012322303219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396676743 + ... + 396679294.

It is an arithmetic number, because the mean of its divisors is an integer number (83302383990).

Almost surely, 2^{1012322303212} is an apocalyptic number.

It is an amenable number.

1012322303212 is a deficient number, since it is larger than the sum of its proper divisors (986934912548).

1012322303212 is a wasteful number, since it uses less digits than its factorization.

1012322303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793356081 (or 793356079 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1012322303212 its reverse (2123032232101), we get a palindrome (3135354535313).

The spelling of 1012322303212 in words is "one trillion, twelve billion, three hundred twenty-two million, three hundred three thousand, two hundred twelve".