212003745 has 32 divisors (see below), whose sum is σ = 346369152. Its totient is φ = 110702592.

The previous prime is 212003713. The next prime is 212003783. The reversal of 212003745 is 547300212.

212003745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212003745 - 2⁵ = 212003713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193419 + ... + 194511.

It is an arithmetic number, because the mean of its divisors is an integer number (10824036).

Almost surely, 2^212003745 is an apocalyptic number.

It is an amenable number.

212003745 is a deficient number, since it is larger than the sum of its proper divisors (134365407).

212003745 is a wasteful number, since it uses less digits than its factorization.

212003745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 212003745 is about 14560.3483818211. The cubic root of 212003745 is about 596.2767068278.

Adding to 212003745 its reverse (547300212), we get a palindrome (759303957).

The spelling of 212003745 in words is "two hundred twelve million, three thousand, seven hundred forty-five".