1550441205012 has 192 divisors, whose sum is σ = 4295294115840. Its totient is φ = 425890483200.

The previous prime is 1550441204959. The next prime is 1550441205017. The reversal of 1550441205012 is 2105021440551.

It is a super-2 number, since 2×1550441205012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550441205017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1046887312 + ... + 1046888792.

It is an arithmetic number, because the mean of its divisors is an integer number (22371323520).

Almost surely, 2^{1550441205012} is an apocalyptic number.

1550441205012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550441205012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2147647057920).

1550441205012 is an abundant number, since it is smaller than the sum of its proper divisors (2744852910828).

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

1550441205012 is a wasteful number, since it uses less digits than its factorization.

1550441205012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062 (or 3060 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 1550441205012 its reverse (2105021440551), we get a palindrome (3655462645563).

The spelling of 1550441205012 in words is "one trillion, five hundred fifty billion, four hundred forty-one million, two hundred five thousand, twelve".