1201202010550 has 24 divisors (see below), whose sum is σ = 2351827096200. Its totient is φ = 455192340480.

The previous prime is 1201202010529. The next prime is 1201202010557. The reversal of 1201202010550 is 550102021021.

It is a super-2 number, since 2×1201202010550² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201202010557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 632210635 + ... + 632212534.

It is an arithmetic number, because the mean of its divisors is an integer number (97992795675).

Almost surely, 2^{1201202010550} is an apocalyptic number.

1201202010550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201202010550 is a deficient number, since it is larger than the sum of its proper divisors (1150625085650).

1201202010550 is a wasteful number, since it uses less digits than its factorization.

1201202010550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264423200 (or 1264423195 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 1201202010550 its reverse (550102021021), we get a palindrome (1751304031571).

The spelling of 1201202010550 in words is "one trillion, two hundred one billion, two hundred two million, ten thousand, five hundred fifty".