212380893 has 8 divisors (see below), whose sum is σ = 314638400. Its totient is φ = 141587244.

The previous prime is 212380843. The next prime is 212380937. The reversal of 212380893 is 398083212.

It is a happy number.

It is not a de Polignac number, because 212380893 - 2¹² = 212376797 is a prime.

It is a super-2 number, since 2×212380893² = 90211287422954898, which contains 22 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 (212380823) 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, 3932953 + ... + 3933006.

It is an arithmetic number, because the mean of its divisors is an integer number (39329800).

Almost surely, 2^212380893 is an apocalyptic number.

It is an amenable number.

212380893 is a deficient number, since it is larger than the sum of its proper divisors (102257507).

212380893 is an equidigital number, since it uses as much as digits as its factorization.

212380893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865968 (or 7865962 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 212380893 is about 14573.2938280953. The cubic root of 212380893 is about 596.6300832031.

The spelling of 212380893 in words is "two hundred twelve million, three hundred eighty thousand, eight hundred ninety-three".