1210231311322 has 32 divisors (see below), whose sum is σ = 2007653376960. Its totient is φ = 542529889920.

The previous prime is 1210231311287. The next prime is 1210231311347. The reversal of 1210231311322 is 2231131320121.

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 = 1210231311293 and 1210231311302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42237933 + ... + 42266575.

It is an arithmetic number, because the mean of its divisors is an integer number (62739168030).

Almost surely, 2^{1210231311322} is an apocalyptic number.

1210231311322 is a deficient number, since it is larger than the sum of its proper divisors (797422065638).

1210231311322 is a wasteful number, since it uses less digits than its factorization.

1210231311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55038.

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

Adding to 1210231311322 its reverse (2231131320121), we get a palindrome (3441362631443).

The spelling of 1210231311322 in words is "one trillion, two hundred ten billion, two hundred thirty-one million, three hundred eleven thousand, three hundred twenty-two".