1204942184412 has 12 divisors (see below), whose sum is σ = 2811531763656. Its totient is φ = 401647394800.

The previous prime is 1204942184389. The next prime is 1204942184419. The reversal of 1204942184412 is 2144812494021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204942184419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50205924339 + ... + 50205924362.

It is an arithmetic number, because the mean of its divisors is an integer number (234294313638).

Almost surely, 2^{1204942184412} is an apocalyptic number.

1204942184412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1204942184412 is an abundant number, since it is smaller than the sum of its proper divisors (1606589579244).

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

1204942184412 is a wasteful number, since it uses less digits than its factorization.

1204942184412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100411848708 (or 100411848706 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 1204942184412 in words is "one trillion, two hundred four billion, nine hundred forty-two million, one hundred eighty-four thousand, four hundred twelve".