1854731201412 has 12 divisors (see below), whose sum is σ = 4327706136656. Its totient is φ = 618243733800.

The previous prime is 1854731201383. The next prime is 1854731201419. The reversal of 1854731201412 is 2141021374581.

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

It is not an unprimeable number, because it can be changed into a prime (1854731201419) 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, 77280466714 + ... + 77280466737.

Almost surely, 2^{1854731201412} is an apocalyptic number.

1854731201412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1854731201412 is an abundant number, since it is smaller than the sum of its proper divisors (2472974935244).

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

1854731201412 is a wasteful number, since it uses less digits than its factorization.

1854731201412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154560933458 (or 154560933456 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

Adding to 1854731201412 its reverse (2141021374581), we get a palindrome (3995752575993).

The spelling of 1854731201412 in words is "one trillion, eight hundred fifty-four billion, seven hundred thirty-one million, two hundred one thousand, four hundred twelve".