195212010 has 32 divisors (see below), whose sum is σ = 535439232. Its totient is φ = 44619840.

The previous prime is 195211999. The next prime is 195212011. The reversal of 195212010 is 10212591.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (195212011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464581 + ... + 465000.

It is an arithmetic number, because the mean of its divisors is an integer number (16732476).

Almost surely, 2^195212010 is an apocalyptic number.

195212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195212010 is an abundant number, since it is smaller than the sum of its proper divisors (340227222).

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

195212010 is a wasteful number, since it uses less digits than its factorization.

195212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929598.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 195212010 is about 13971.8291572721. The cubic root of 195212010 is about 580.0990813687.

The spelling of 195212010 in words is "one hundred ninety-five million, two hundred twelve thousand, ten".