1110020010012 has 72 divisors (see below), whose sum is σ = 2848867157136. Its totient is φ = 364342834944.

The previous prime is 1110020009981. The next prime is 1110020010013. The reversal of 1110020010012 is 2100100200111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1110020009976 and 1110020010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110020010013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6224278 + ... + 6400130.

Almost surely, 2^{1110020010012} is an apocalyptic number.

1110020010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1110020010012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424433578568).

1110020010012 is an abundant number, since it is smaller than the sum of its proper divisors (1738847147124).

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

1110020010012 is a wasteful number, since it uses less digits than its factorization.

1110020010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178547 (or 178542 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1110020010012 its reverse (2100100200111), we get a palindrome (3210120210123).

The spelling of 1110020010012 in words is "one trillion, one hundred ten billion, twenty million, ten thousand, twelve".