1204220311240 has 16 divisors (see below), whose sum is σ = 2709495700380. Its totient is φ = 481688124480.

The previous prime is 1204220311237. The next prime is 1204220311243. The reversal of 1204220311240 is 421130224021.

It is an interprime number because it is at equal distance from previous prime (1204220311237) and next prime (1204220311243).

It can be written as a sum of positive squares in 2 ways, for example, as 1088888076004 + 115332235236 = 1043498^2 + 339606^2 .

It is not an unprimeable number, because it can be changed into a prime (1204220311243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15052753851 + ... + 15052753930.

Almost surely, 2^{1204220311240} is an apocalyptic number.

1204220311240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204220311240 is an abundant number, since it is smaller than the sum of its proper divisors (1505275389140).

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

1204220311240 is a wasteful number, since it uses less digits than its factorization.

1204220311240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30105507792 (or 30105507788 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1204220311240 its reverse (421130224021), we get a palindrome (1625350535261).

The spelling of 1204220311240 in words is "one trillion, two hundred four billion, two hundred twenty million, three hundred eleven thousand, two hundred forty".