1022235512312 has 64 divisors (see below), whose sum is σ = 2225422563840. Its totient is φ = 431139945600.

The previous prime is 1022235512281. The next prime is 1022235512321. The reversal of 1022235512312 is 2132155322201.

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 15 ways as a sum of consecutive naturals, for example, 1939862 + ... + 2409882.

It is an arithmetic number, because the mean of its divisors is an integer number (34772227560).

Almost surely, 2^{1022235512312} 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 1022235512312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112711281920).

1022235512312 is an abundant number, since it is smaller than the sum of its proper divisors (1203187051528).

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

1022235512312 is a wasteful number, since it uses less digits than its factorization.

1022235512312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470652 (or 470648 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 1022235512312 in words is "one trillion, twenty-two billion, two hundred thirty-five million, five hundred twelve thousand, three hundred twelve".