212515552 has 24 divisors (see below), whose sum is σ = 419176296. Its totient is φ = 106058112.

The previous prime is 212515547. The next prime is 212515553. The reversal of 212515552 is 255515212.

212515552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212515552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212515553) 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, 11863 + ... + 23785.

It is an arithmetic number, because the mean of its divisors is an integer number (17465679).

Almost surely, 2^212515552 is an apocalyptic number.

It is an amenable number.

212515552 is a deficient number, since it is larger than the sum of its proper divisors (206660744).

212515552 is a wasteful number, since it uses less digits than its factorization.

212515552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12490 (or 12482 counting only the distinct ones).

The product of its digits is 5000, while the sum is 28.

The square root of 212515552 is about 14577.9131565530. The cubic root of 212515552 is about 596.7561532953.

The spelling of 212515552 in words is "two hundred twelve million, five hundred fifteen thousand, five hundred fifty-two".