1023311044212 has 24 divisors (see below), whose sum is σ = 2390184834912. Its totient is φ = 340752386400.

The previous prime is 1023311044211. The next prime is 1023311044241. The reversal of 1023311044212 is 2124401133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023311044211) 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, 43899739 + ... + 43923042.

It is an arithmetic number, because the mean of its divisors is an integer number (99591034788).

Almost surely, 2^{1023311044212} is an apocalyptic number.

1023311044212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023311044212 is an abundant number, since it is smaller than the sum of its proper divisors (1366873790700).

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

1023311044212 is a wasteful number, since it uses less digits than its factorization.

1023311044212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87823759 (or 87823757 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1023311044212 its reverse (2124401133201), we get a palindrome (3147712177413).

The spelling of 1023311044212 in words is "one trillion, twenty-three billion, three hundred eleven million, forty-four thousand, two hundred twelve".