1212342343322 has 16 divisors (see below), whose sum is σ = 1983863185344. Its totient is φ = 551056296000.

The previous prime is 1212342343297. The next prime is 1212342343357. The reversal of 1212342343322 is 2233432432121.

It is a super-2 number, since 2×1212342343322² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192322 + ... + 1961202.

It is an arithmetic number, because the mean of its divisors is an integer number (123991449084).

Almost surely, 2^{1212342343322} is an apocalyptic number.

1212342343322 is a deficient number, since it is larger than the sum of its proper divisors (771520842022).

1212342343322 is a wasteful number, since it uses less digits than its factorization.

1212342343322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840565.

The product of its digits is 41472, while the sum is 32.

Adding to 1212342343322 its reverse (2233432432121), we get a palindrome (3445774775443).

The spelling of 1212342343322 in words is "one trillion, two hundred twelve billion, three hundred forty-two million, three hundred forty-three thousand, three hundred twenty-two".