1204905073842 has 192 divisors, whose sum is σ = 2869029072000. Its totient is φ = 377940100608.

The previous prime is 1204905073837. The next prime is 1204905073843. The reversal of 1204905073842 is 2483705094021.

1204905073842 is a `hidden beast` number, since 1 + 2 + 0 + 490 + 50 + 73 + 8 + 42 = 666.

It is a super-3 number, since 3×1204905073842³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1204905073843) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1264328038 + ... + 1264328990.

It is an arithmetic number, because the mean of its divisors is an integer number (14942859750).

Almost surely, 2^{1204905073842} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204905073842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434514536000).

1204905073842 is an abundant number, since it is smaller than the sum of its proper divisors (1664123998158).

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

1204905073842 is a wasteful number, since it uses less digits than its factorization.

1204905073842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 1204905073842 in words is "one trillion, two hundred four billion, nine hundred five million, seventy-three thousand, eight hundred forty-two".