212645452 has 12 divisors (see below), whose sum is σ = 394019640. Its totient is φ = 100068416.

The previous prime is 212645431. The next prime is 212645453. The reversal of 212645452 is 254546212.

212645452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212645453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563502 + ... + 1563637.

It is an arithmetic number, because the mean of its divisors is an integer number (32834970).

Almost surely, 2^212645452 is an apocalyptic number.

It is an amenable number.

212645452 is a deficient number, since it is larger than the sum of its proper divisors (181374188).

212645452 is a wasteful number, since it uses less digits than its factorization.

212645452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127160 (or 3127158 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 212645452 is about 14582.3678461353. The cubic root of 212645452 is about 596.8777174734.

The spelling of 212645452 in words is "two hundred twelve million, six hundred forty-five thousand, four hundred fifty-two".