1212311002322 has 24 divisors (see below), whose sum is σ = 2172534663936. Its totient is φ = 496972209096.

The previous prime is 1212311002303. The next prime is 1212311002349. The reversal of 1212311002322 is 2232001132121.

It is a junction number, because it is equal to n+sod(n) for n = 1212311002294 and 1212311002303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81839138 + ... + 81853949.

It is an arithmetic number, because the mean of its divisors is an integer number (90522277664).

Almost surely, 2^{1212311002322} is an apocalyptic number.

1212311002322 is a deficient number, since it is larger than the sum of its proper divisors (960223661614).

1212311002322 is a wasteful number, since it uses less digits than its factorization.

1212311002322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163693142 (or 163693119 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1212311002322 its reverse (2232001132121), we get a palindrome (3444312134443).

The spelling of 1212311002322 in words is "one trillion, two hundred twelve billion, three hundred eleven million, two thousand, three hundred twenty-two".