1012112200020 has 48 divisors (see below), whose sum is σ = 2834127632448. Its totient is φ = 269876256000.

The previous prime is 1012112199997. The next prime is 1012112200051. The reversal of 1012112200020 is 200022112101.

1012112200020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1012112200020² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1012112199969 and 1012112200005.

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, 176395 + ... + 1433645.

It is an arithmetic number, because the mean of its divisors is an integer number (59044325676).

Almost surely, 2^{1012112200020} is an apocalyptic number.

1012112200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012112200020 is an abundant number, since it is smaller than the sum of its proper divisors (1822015432428).

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

1012112200020 is a wasteful number, since it uses less digits than its factorization.

1012112200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270680 (or 1270678 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012112200020 its reverse (200022112101), we get a palindrome (1212134312121).

The spelling of 1012112200020 in words is "one trillion, twelve billion, one hundred twelve million, two hundred thousand, twenty".