201545212 has 24 divisors (see below), whose sum is σ = 392958720. Its totient is φ = 89661360.

The previous prime is 201545207. The next prime is 201545213. The reversal of 201545212 is 212545102.

201545212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201545213) 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, 46662 + ... + 50797.

It is an arithmetic number, because the mean of its divisors is an integer number (16373280).

Almost surely, 2^201545212 is an apocalyptic number.

201545212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201545212 is a deficient number, since it is larger than the sum of its proper divisors (191413508).

201545212 is a wasteful number, since it uses less digits than its factorization.

201545212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97521 (or 97519 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 201545212 is about 14196.6620020341. The cubic root of 201545212 is about 586.3057612941.

The spelling of 201545212 in words is "two hundred one million, five hundred forty-five thousand, two hundred twelve".