1022231331312 has 40 divisors (see below), whose sum is σ = 2685522996480. Its totient is φ = 334968457920.

The previous prime is 1022231331307. The next prime is 1022231331349. The reversal of 1022231331312 is 2131331322201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180475864 + ... + 180481527.

It is an arithmetic number, because the mean of its divisors is an integer number (67138074912).

Almost surely, 2^{1022231331312} is an apocalyptic number.

1022231331312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022231331312 is an abundant number, since it is smaller than the sum of its proper divisors (1663291665168).

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

1022231331312 is a wasteful number, since it uses less digits than its factorization.

1022231331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360957461 (or 360957455 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1022231331312 its reverse (2131331322201), we get a palindrome (3153562653513).

The spelling of 1022231331312 in words is "one trillion, twenty-two billion, two hundred thirty-one million, three hundred thirty-one thousand, three hundred twelve".