120212512 has 48 divisors (see below), whose sum is σ = 271276992. Its totient is φ = 51367680.

The previous prime is 120212509. The next prime is 120212527. The reversal of 120212512 is 215212021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109438 + ... + 110530.

It is an arithmetic number, because the mean of its divisors is an integer number (5651604).

Almost surely, 2^120212512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120212512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135638496).

120212512 is an abundant number, since it is smaller than the sum of its proper divisors (151064480).

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

120212512 is a wasteful number, since it uses less digits than its factorization.

120212512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1593 counting only the distinct ones).

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

The square root of 120212512 is about 10964.1466608214. The cubic root of 120212512 is about 493.5334096342.

Adding to 120212512 its reverse (215212021), we get a palindrome (335424533).

The spelling of 120212512 in words is "one hundred twenty million, two hundred twelve thousand, five hundred twelve".