12050203550 has 48 divisors (see below), whose sum is σ = 27943961472. Its totient is φ = 3755906400.

The previous prime is 12050203547. The next prime is 12050203553. The reversal of 12050203550 is 5530205021.

It is an interprime number because it is at equal distance from previous prime (12050203547) and next prime (12050203553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12050203553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1561112 + ... + 1568811.

It is an arithmetic number, because the mean of its divisors is an integer number (582165864).

Almost surely, 2^12050203550 is an apocalyptic number.

12050203550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12050203550 is an abundant number, since it is smaller than the sum of its proper divisors (15893757922).

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

12050203550 is a wasteful number, since it uses less digits than its factorization.

12050203550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129953 (or 3129948 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

Adding to 12050203550 its reverse (5530205021), we get a palindrome (17580408571).

The spelling of 12050203550 in words is "twelve billion, fifty million, two hundred three thousand, five hundred fifty".