1012031123100 has 36 divisors (see below), whose sum is σ = 2928143383704. Its totient is φ = 269874966080.

The previous prime is 1012031123099. The next prime is 1012031123111. The reversal of 1012031123100 is 13211302101.

It is a happy number.

It is a super-2 number, since 2×1012031123100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1012031123100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1686718239 + ... + 1686718838.

It is an arithmetic number, because the mean of its divisors is an integer number (81337316214).

Almost surely, 2^{1012031123100} is an apocalyptic number.

1012031123100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012031123100 is an abundant number, since it is smaller than the sum of its proper divisors (1916112260604).

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

1012031123100 is a wasteful number, since it uses less digits than its factorization.

1012031123100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373437094 (or 3373437087 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1012031123100 its reverse (13211302101), we get a palindrome (1025242425201).

The spelling of 1012031123100 in words is "one trillion, twelve billion, thirty-one million, one hundred twenty-three thousand, one hundred".