1000022310012 has 48 divisors (see below), whose sum is σ = 2563824412800. Its totient is φ = 300856935360.

The previous prime is 1000022309989. The next prime is 1000022310103. The reversal of 1000022310012 is 2100132200001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1000022310012.

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, 27233187 + ... + 27269882.

It is an arithmetic number, because the mean of its divisors is an integer number (53413008600).

Almost surely, 2^{1000022310012} is an apocalyptic number.

1000022310012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000022310012 is an abundant number, since it is smaller than the sum of its proper divisors (1563802102788).

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

1000022310012 is a wasteful number, since it uses less digits than its factorization.

1000022310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54503226 (or 54503224 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1000022310012 its reverse (2100132200001), we get a palindrome (3100154510013).

The spelling of 1000022310012 in words is "one trillion, twenty-two million, three hundred ten thousand, twelve".