212322140024 has 8 divisors (see below), whose sum is σ = 398104012560. Its totient is φ = 106161070008.

The previous prime is 212322139979. The next prime is 212322140057. The reversal of 212322140024 is 420041223212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×212322140024² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13270133744 + ... + 13270133759.

It is an arithmetic number, because the mean of its divisors is an integer number (49763001570).

Almost surely, 2^212322140024 is an apocalyptic number.

It is an amenable number.

212322140024 is a deficient number, since it is larger than the sum of its proper divisors (185781872536).

212322140024 is a wasteful number, since it uses less digits than its factorization.

212322140024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26540267509 (or 26540267505 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 212322140024 its reverse (420041223212), we get a palindrome (632363363236).

The spelling of 212322140024 in words is "two hundred twelve billion, three hundred twenty-two million, one hundred forty thousand, twenty-four".