212475970 has 16 divisors (see below), whose sum is σ = 437093568. Its totient is φ = 72848880.

The previous prime is 212475947. The next prime is 212475971. The reversal of 212475970 is 79574212.

212475970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212475971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517616 + ... + 1517755.

It is an arithmetic number, because the mean of its divisors is an integer number (27318348).

Almost surely, 2^212475970 is an apocalyptic number.

212475970 is an abundant number, since it is smaller than the sum of its proper divisors (224617598).

212475970 is a wasteful number, since it uses less digits than its factorization.

212475970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035385.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 212475970 is about 14576.5554916105. Note that the first 3 decimals coincide. The cubic root of 212475970 is about 596.7191014678.

The spelling of 212475970 in words is "two hundred twelve million, four hundred seventy-five thousand, nine hundred seventy".