1213013112322 has 16 divisors (see below), whose sum is σ = 1994905080000. Its totient is φ = 548598893040.

The previous prime is 1213013112317. The next prime is 1213013112341. The reversal of 1213013112322 is 2232113103121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1213013112293 and 1213013112302.

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, 138530697 + ... + 138539452.

It is an arithmetic number, because the mean of its divisors is an integer number (124681567500).

Almost surely, 2^{1213013112322} is an apocalyptic number.

1213013112322 is a deficient number, since it is larger than the sum of its proper divisors (781891967678).

1213013112322 is a wasteful number, since it uses less digits than its factorization.

1213013112322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277070361.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1213013112322 its reverse (2232113103121), we get a palindrome (3445126215443).

The spelling of 1213013112322 in words is "one trillion, two hundred thirteen billion, thirteen million, one hundred twelve thousand, three hundred twenty-two".