153212120 has 16 divisors (see below), whose sum is σ = 344727360. Its totient is φ = 61284832.

The previous prime is 153212119. The next prime is 153212141. The reversal of 153212120 is 21212351.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915112 + ... + 1915191.

It is an arithmetic number, because the mean of its divisors is an integer number (21545460).

Almost surely, 2^153212120 is an apocalyptic number.

153212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153212120 is an abundant number, since it is smaller than the sum of its proper divisors (191515240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153212120 is a wasteful number, since it uses less digits than its factorization.

153212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830314 (or 3830310 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 153212120 is about 12377.8883497954. Note that the first 3 decimals coincide. The cubic root of 153212120 is about 535.0951820636.

Adding to 153212120 its reverse (21212351), we get a palindrome (174424471).

The spelling of 153212120 in words is "one hundred fifty-three million, two hundred twelve thousand, one hundred twenty".