1213400302334 has 16 divisors (see below), whose sum is σ = 1985848156656. Its totient is φ = 551466696000.

The previous prime is 1213400302319. The next prime is 1213400302339. The reversal of 1213400302334 is 4332030043121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213400302339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3787367 + ... + 4095234.

It is an arithmetic number, because the mean of its divisors is an integer number (124115509791).

Almost surely, 2^{1213400302334} is an apocalyptic number.

1213400302334 is a deficient number, since it is larger than the sum of its proper divisors (772447854322).

1213400302334 is a wasteful number, since it uses less digits than its factorization.

1213400302334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889611.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1213400302334 its reverse (4332030043121), we get a palindrome (5545430345455).

The spelling of 1213400302334 in words is "one trillion, two hundred thirteen billion, four hundred million, three hundred two thousand, three hundred thirty-four".