1021310233112 has 128 divisors (see below), whose sum is σ = 2284226904960. Its totient is φ = 423292108800.

The previous prime is 1021310233109. The next prime is 1021310233159. The reversal of 1021310233112 is 2113320131201.

It is a happy number.

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, 16274948 + ... + 16337580.

It is an arithmetic number, because the mean of its divisors is an integer number (17845522695).

Almost surely, 2^{1021310233112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021310233112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142113452480).

1021310233112 is an abundant number, since it is smaller than the sum of its proper divisors (1262916671848).

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

1021310233112 is a wasteful number, since it uses less digits than its factorization.

1021310233112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63093 (or 63089 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1021310233112 its reverse (2113320131201), we get a palindrome (3134630364313).

The spelling of 1021310233112 in words is "one trillion, twenty-one billion, three hundred ten million, two hundred thirty-three thousand, one hundred twelve".