1031210232312 has 128 divisors (see below), whose sum is σ = 2883994344000. Its totient is φ = 305082408960.

The previous prime is 1031210232289. The next prime is 1031210232323. The reversal of 1031210232312 is 2132320121301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1944114 + ... + 2417022.

Almost surely, 2^{1031210232312} is an apocalyptic number.

1031210232312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031210232312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441997172000).

1031210232312 is an abundant number, since it is smaller than the sum of its proper divisors (1852784111688).

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

1031210232312 is a wasteful number, since it uses less digits than its factorization.

1031210232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473201 (or 473197 counting only the distinct ones).

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

Adding to 1031210232312 its reverse (2132320121301), we get a palindrome (3163530353613).

The spelling of 1031210232312 in words is "one trillion, thirty-one billion, two hundred ten million, two hundred thirty-two thousand, three hundred twelve".