1200020002110 has 48 divisors (see below), whose sum is σ = 3204377744256. Its totient is φ = 311356540224.

The previous prime is 1200020002067. The next prime is 1200020002121. The reversal of 1200020002110 is 112000200021.

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 = 1200020002092 and 1200020002101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180179854 + ... + 180186513.

It is an arithmetic number, because the mean of its divisors is an integer number (66757869672).

Almost surely, 2^{1200020002110} is an apocalyptic number.

1200020002110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200020002110 is an abundant number, since it is smaller than the sum of its proper divisors (2004357742146).

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

1200020002110 is a wasteful number, since it uses less digits than its factorization.

1200020002110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360366417 (or 360366414 counting only the distinct ones).

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

Adding to 1200020002110 its reverse (112000200021), we get a palindrome (1312020202131).

The spelling of 1200020002110 in words is "one trillion, two hundred billion, twenty million, two thousand, one hundred ten".