1204240212012 has 24 divisors (see below), whose sum is σ = 2900535565312. Its totient is φ = 388464584400.

The previous prime is 1204240211963. The next prime is 1204240212017. The reversal of 1204240212012 is 2102120424021.

It is a self number, because there is not a number n which added to its sum of digits gives 1204240212012.

It is not an unprimeable number, because it can be changed into a prime (1204240212017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1618602064 + ... + 1618602807.

Almost surely, 2^{1204240212012} is an apocalyptic number.

1204240212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1204240212012 is an abundant number, since it is smaller than the sum of its proper divisors (1696295353300).

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

1204240212012 is a wasteful number, since it uses less digits than its factorization.

1204240212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237204909 (or 3237204907 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1204240212012 its reverse (2102120424021), we get a palindrome (3306360636033).

The spelling of 1204240212012 in words is "one trillion, two hundred four billion, two hundred forty million, two hundred twelve thousand, twelve".