212470615 has 12 divisors (see below), whose sum is σ = 296591976. Its totient is φ = 145693968.

The previous prime is 212470591. The next prime is 212470627. The reversal of 212470615 is 516074212.

212470615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212470615 - 2¹³ = 212462423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433369 + ... + 433858.

It is an arithmetic number, because the mean of its divisors is an integer number (24715998).

Almost surely, 2^212470615 is an apocalyptic number.

212470615 is a deficient number, since it is larger than the sum of its proper divisors (84121361).

212470615 is an equidigital number, since it uses as much as digits as its factorization.

212470615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867246 (or 867239 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 212470615 is about 14576.3718050824. The cubic root of 212470615 is about 596.7140884184.

The spelling of 212470615 in words is "two hundred twelve million, four hundred seventy thousand, six hundred fifteen".