212343222400399 has 8 divisors (see below), whose sum is σ = 213709904092080. Its totient is φ = 210979457853696.

The previous prime is 212343222400381. The next prime is 212343222400409. The reversal of 212343222400399 is 993004222343212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212343222400399 - 2⁵ = 212343222400367 is a prime.

It is a super-5 number, since 5×212343222400399⁵ (a number of 73 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212343222400339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729140194 + ... + 729431359.

It is an arithmetic number, because the mean of its divisors is an integer number (26713738011510).

Almost surely, 2^{212343222400399} is an apocalyptic number.

212343222400399 is a deficient number, since it is larger than the sum of its proper divisors (1366681691681).

212343222400399 is a wasteful number, since it uses less digits than its factorization.

212343222400399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458572489.

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 212343222400399 in words is "two hundred twelve trillion, three hundred forty-three billion, two hundred twenty-two million, four hundred thousand, three hundred ninety-nine".