201212152 has 8 divisors (see below), whose sum is σ = 377272800. Its totient is φ = 100606072.

The previous prime is 201212117. The next prime is 201212159. The reversal of 201212152 is 251212102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×201212152² = 80972660224942208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12575752 + ... + 12575767.

It is an arithmetic number, because the mean of its divisors is an integer number (47159100).

Almost surely, 2^201212152 is an apocalyptic number.

It is an amenable number.

201212152 is a deficient number, since it is larger than the sum of its proper divisors (176060648).

201212152 is a wasteful number, since it uses less digits than its factorization.

201212152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25151525 (or 25151521 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 201212152 is about 14184.9269296673. The cubic root of 201212152 is about 585.9826201324.

Adding to 201212152 its reverse (251212102), we get a palindrome (452424254).

The spelling of 201212152 in words is "two hundred one million, two hundred twelve thousand, one hundred fifty-two".