212361613602 has 16 divisors (see below), whose sum is σ = 427535965632. Its totient is φ = 70318414800.

The previous prime is 212361613517. The next prime is 212361613609. The reversal of 212361613602 is 206316163212.

212361613602 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212361613609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117196453 + ... + 117198264.

It is an arithmetic number, because the mean of its divisors is an integer number (26720997852).

Almost surely, 2^212361613602 is an apocalyptic number.

212361613602 is an abundant number, since it is smaller than the sum of its proper divisors (215174352030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212361613602 is a wasteful number, since it uses less digits than its factorization.

212361613602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234394873.

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 212361613602 its reverse (206316163212), we get a palindrome (418677776814).

The spelling of 212361613602 in words is "two hundred twelve billion, three hundred sixty-one million, six hundred thirteen thousand, six hundred two".