1012000210120 has 16 divisors (see below), whose sum is σ = 2277000472860. Its totient is φ = 404800084032.

The previous prime is 1012000210103. The next prime is 1012000210153. The reversal of 1012000210120 is 210120002101.

It can be written as a sum of positive squares in 2 ways, for example, as 889977144996 + 122023065124 = 943386^2 + 349318^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1012000210097 and 1012000210106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12650002587 + ... + 12650002666.

Almost surely, 2^{1012000210120} is an apocalyptic number.

1012000210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012000210120 is an abundant number, since it is smaller than the sum of its proper divisors (1265000262740).

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

1012000210120 is a wasteful number, since it uses less digits than its factorization.

1012000210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25300005264 (or 25300005260 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1012000210120 its reverse (210120002101), we get a palindrome (1222120212221).

The spelling of 1012000210120 in words is "one trillion, twelve billion, two hundred ten thousand, one hundred twenty".