1211222313330 has 64 divisors (see below), whose sum is σ = 3038868292608. Its totient is φ = 308384556480.

The previous prime is 1211222313293. The next prime is 1211222313347. The reversal of 1211222313330 is 333132221121.

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 1211222313330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1227136 + ... + 1981995.

It is an arithmetic number, because the mean of its divisors is an integer number (47482317072).

Almost surely, 2^{1211222313330} is an apocalyptic number.

1211222313330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211222313330 is an abundant number, since it is smaller than the sum of its proper divisors (1827645979278).

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

1211222313330 is a wasteful number, since it uses less digits than its factorization.

1211222313330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209711.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1211222313330 its reverse (333132221121), we get a palindrome (1544354534451).

The spelling of 1211222313330 in words is "one trillion, two hundred eleven billion, two hundred twenty-two million, three hundred thirteen thousand, three hundred thirty".