212172010 has 16 divisors (see below), whose sum is σ = 398514816. Its totient is φ = 81178768.

The previous prime is 212171989. The next prime is 212172017. The reversal of 212172010 is 10271212.

It is not an unprimeable number, because it can be changed into a prime (212172017) 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, 461014 + ... + 461473.

It is an arithmetic number, because the mean of its divisors is an integer number (24907176).

Almost surely, 2^212172010 is an apocalyptic number.

212172010 is a deficient number, since it is larger than the sum of its proper divisors (186342806).

212172010 is a wasteful number, since it uses less digits than its factorization.

212172010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922517.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 212172010 is about 14566.1254285414. The cubic root of 212172010 is about 596.4344178272.

The spelling of 212172010 in words is "two hundred twelve million, one hundred seventy-two thousand, ten".