1213201600350 has 96 divisors (see below), whose sum is σ = 3023189360640. Its totient is φ = 321969642240.

The previous prime is 1213201600327. The next prime is 1213201600397. The reversal of 1213201600350 is 530061023121.

It is a super-2 number, since 2×1213201600350² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213201600350.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34324387 + ... + 34359713.

It is an arithmetic number, because the mean of its divisors is an integer number (31491555840).

Almost surely, 2^{1213201600350} is an apocalyptic number.

1213201600350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213201600350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511594680320).

1213201600350 is an abundant number, since it is smaller than the sum of its proper divisors (1809987760290).

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

1213201600350 is a wasteful number, since it uses less digits than its factorization.

1213201600350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36434 (or 36429 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 1213201600350 its reverse (530061023121), we get a palindrome (1743262623471).

The spelling of 1213201600350 in words is "one trillion, two hundred thirteen billion, two hundred one million, six hundred thousand, three hundred fifty".