1104200421012 has 36 divisors (see below), whose sum is σ = 3005878925140. Its totient is φ = 339753975552.

The previous prime is 1104200420969. The next prime is 1104200421017. The reversal of 1104200421012 is 2101240024011.

It can be written as a sum of positive squares in 2 ways, for example, as 179533553796 + 924666867216 = 423714^2 + 961596^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1104200421012² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104200421017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1179700837 + ... + 1179701772.

Almost surely, 2^{1104200421012} is an apocalyptic number.

1104200421012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1104200421012 is an abundant number, since it is smaller than the sum of its proper divisors (1901678504128).

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

1104200421012 is a wasteful number, since it uses less digits than its factorization.

1104200421012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359402632 (or 2359402627 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1104200421012 its reverse (2101240024011), we get a palindrome (3205440445023).

The spelling of 1104200421012 in words is "one trillion, one hundred four billion, two hundred million, four hundred twenty-one thousand, twelve".