212332220123342 has 64 divisors (see below), whose sum is σ = 357607502354880. Its totient is φ = 93731394432000.

The previous prime is 212332220123341. The next prime is 212332220123389. The reversal of 212332220123342 is 243321022233212.

It is a happy number.

It is a super-2 number, since 2×212332220123342² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212332220123299 and 212332220123308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212332220123341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451161884 + ... + 451632272.

It is an arithmetic number, because the mean of its divisors is an integer number (5587617224295).

Almost surely, 2^{212332220123342} is an apocalyptic number.

212332220123342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212332220123342 is a deficient number, since it is larger than the sum of its proper divisors (145275282231538).

212332220123342 is a wasteful number, since it uses less digits than its factorization.

212332220123342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474389.

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

Adding to 212332220123342 its reverse (243321022233212), we get a palindrome (455653242356554).

The spelling of 212332220123342 in words is "two hundred twelve trillion, three hundred thirty-two billion, two hundred twenty million, one hundred twenty-three thousand, three hundred forty-two".