1000020023112 has 32 divisors (see below), whose sum is σ = 2727327336480. Its totient is φ = 303036370560.

The previous prime is 1000020023081. The next prime is 1000020023147. The reversal of 1000020023112 is 2113200200001.

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

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, 1893977053 + ... + 1893977580.

It is an arithmetic number, because the mean of its divisors is an integer number (85228979265).

Almost surely, 2^{1000020023112} is an apocalyptic number.

1000020023112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000020023112 is an abundant number, since it is smaller than the sum of its proper divisors (1727307313368).

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

1000020023112 is a wasteful number, since it uses less digits than its factorization.

1000020023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787954653 (or 3787954649 counting only the distinct ones).

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

Adding to 1000020023112 its reverse (2113200200001), we get a palindrome (3113220223113).

The spelling of 1000020023112 in words is "one trillion, twenty million, twenty-three thousand, one hundred twelve".