1200404040210 has 96 divisors (see below), whose sum is σ = 3181494663360. Its totient is φ = 313934140800.

The previous prime is 1200404040193. The next prime is 1200404040211. The reversal of 1200404040210 is 120404040021.

1200404040210 is a `hidden beast` number, since 1 + 200 + 40 + 404 + 0 + 21 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1200404040211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1967025 + ... + 2503995.

It is an arithmetic number, because the mean of its divisors is an integer number (33140569410).

Almost surely, 2^{1200404040210} is an apocalyptic number.

1200404040210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200404040210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590747331680).

1200404040210 is an abundant number, since it is smaller than the sum of its proper divisors (1981090623150).

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

1200404040210 is a wasteful number, since it uses less digits than its factorization.

1200404040210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537464 (or 537461 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1200404040210 its reverse (120404040021), we get a palindrome (1320808080231).

The spelling of 1200404040210 in words is "one trillion, two hundred billion, four hundred four million, forty thousand, two hundred ten".