212403344350 has 24 divisors (see below), whose sum is σ = 395779554648. Its totient is φ = 84808792800.

The previous prime is 212403344339. The next prime is 212403344369. The reversal of 212403344350 is 53443304212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3785496 + ... + 3841195.

It is an arithmetic number, because the mean of its divisors is an integer number (16490814777).

Almost surely, 2^212403344350 is an apocalyptic number.

212403344350 is a deficient number, since it is larger than the sum of its proper divisors (183376210298).

212403344350 is a wasteful number, since it uses less digits than its factorization.

212403344350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627260 (or 7627255 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 212403344350 its reverse (53443304212), we get a palindrome (265846648562).

The spelling of 212403344350 in words is "two hundred twelve billion, four hundred three million, three hundred forty-four thousand, three hundred fifty".