1211340342032 has 20 divisors (see below), whose sum is σ = 2368906232976. Its totient is φ = 600009701280.

The previous prime is 1211340342013. The next prime is 1211340342053. The reversal of 1211340342032 is 2302430431121.

It is a junction number, because it is equal to n+sod(n) for n = 1211340341992 and 1211340342010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353777594 + ... + 353781017.

Almost surely, 2^{1211340342032} is an apocalyptic number.

It is an amenable number.

1211340342032 is a deficient number, since it is larger than the sum of its proper divisors (1157565890944).

1211340342032 is a wasteful number, since it uses less digits than its factorization.

1211340342032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707558726 (or 707558720 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1211340342032 its reverse (2302430431121), we get a palindrome (3513770773153).

The spelling of 1211340342032 in words is "one trillion, two hundred eleven billion, three hundred forty million, three hundred forty-two thousand, thirty-two".