212066070 has 16 divisors (see below), whose sum is σ = 508958640. Its totient is φ = 56550944.

The previous prime is 212066069. The next prime is 212066081. The reversal of 212066070 is 70660212.

It is a happy number.

212066070 is digitally balanced in base 3, 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 212066070.

It is a congruent number.

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, 3534405 + ... + 3534464.

It is an arithmetic number, because the mean of its divisors is an integer number (31809915).

Almost surely, 2^212066070 is an apocalyptic number.

212066070 is an abundant number, since it is smaller than the sum of its proper divisors (296892570).

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

212066070 is a wasteful number, since it uses less digits than its factorization.

212066070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068879.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 212066070 is about 14562.4884549310. The cubic root of 212066070 is about 596.3351323753.

The spelling of 212066070 in words is "two hundred twelve million, sixty-six thousand, seventy".