1020120000210 has 64 divisors (see below), whose sum is σ = 2732199292800. Its totient is φ = 270844070976.

The previous prime is 1020120000203. The next prime is 1020120000253. The reversal of 1020120000210 is 120000210201.

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 = 1020120000192 and 1020120000201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8187564 + ... + 8311223.

It is an arithmetic number, because the mean of its divisors is an integer number (42690613950).

Almost surely, 2^{1020120000210} is an apocalyptic number.

1020120000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020120000210 is an abundant number, since it is smaller than the sum of its proper divisors (1712079292590).

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

1020120000210 is a wasteful number, since it uses less digits than its factorization.

1020120000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16499032 (or 16499026 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1020120000210 its reverse (120000210201), we get a palindrome (1140120210411).

The spelling of 1020120000210 in words is "one trillion, twenty billion, one hundred twenty million, two hundred ten", and thus it is an aban number.