195012100 has 36 divisors (see below), whose sum is σ = 448072884. Its totient is φ = 73415680.

The previous prime is 195012091. The next prime is 195012109. The reversal of 195012100 is 1210591.

195012100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (195012091) and next prime (195012109).

It can be written as a sum of positive squares in 6 ways, for example, as 7650756 + 187361344 = 2766^2 + 13688^2 .

It is not an unprimeable number, because it can be changed into a prime (195012109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55657 + ... + 59056.

It is an arithmetic number, because the mean of its divisors is an integer number (12446469).

Almost surely, 2^195012100 is an apocalyptic number.

195012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195012100 is an abundant number, since it is smaller than the sum of its proper divisors (253060784).

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

195012100 is a wasteful number, since it uses less digits than its factorization.

195012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114744 (or 114737 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 195012100 is about 13964.6732865470. The cubic root of 195012100 is about 579.9009938021.

Adding to 195012100 its reverse (1210591), we get a palindrome (196222691).

It can be divided in two parts, 195012 and 100, that added together give a cube (195112 = 58³).

The spelling of 195012100 in words is "one hundred ninety-five million, twelve thousand, one hundred".