212510326399 has 16 divisors (see below), whose sum is σ = 255909652480. Its totient is φ = 172390537440.

The previous prime is 212510326387. The next prime is 212510326433. The reversal of 212510326399 is 993623015212.

It is a cyclic number.

It is not a de Polignac number, because 212510326399 - 2¹⁵ = 212510293631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212510326319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674364 + ... + 937969.

It is an arithmetic number, because the mean of its divisors is an integer number (15994353280).

Almost surely, 2^212510326399 is an apocalyptic number.

212510326399 is a deficient number, since it is larger than the sum of its proper divisors (43399326081).

212510326399 is a wasteful number, since it uses less digits than its factorization.

212510326399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613350.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 212510326399 in words is "two hundred twelve billion, five hundred ten million, three hundred twenty-six thousand, three hundred ninety-nine".