1213502413422 has 16 divisors (see below), whose sum is σ = 2613697506000. Its totient is φ = 373385357952.

The previous prime is 1213502413369. The next prime is 1213502413439. The reversal of 1213502413422 is 2243142053121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213502413422.

It is a congruent number.

It is an unprimeable number.

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, 7778861547 + ... + 7778861702.

It is an arithmetic number, because the mean of its divisors is an integer number (163356094125).

Almost surely, 2^{1213502413422} is an apocalyptic number.

1213502413422 is an abundant number, since it is smaller than the sum of its proper divisors (1400195092578).

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

1213502413422 is a wasteful number, since it uses less digits than its factorization.

1213502413422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15557723267.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1213502413422 its reverse (2243142053121), we get a palindrome (3456644466543).

The spelling of 1213502413422 in words is "one trillion, two hundred thirteen billion, five hundred two million, four hundred thirteen thousand, four hundred twenty-two".