168210102101200 has 30 divisors (see below), whose sum is σ = 404124770299094. Its totient is φ = 67284040840320.

The previous prime is 168210102101149. The next prime is 168210102101267. The reversal of 168210102101200 is 2101201012861.

It can be written as a sum of positive squares in 3 ways, for example, as 37380702528576 + 130829399572624 = 6113976^2 + 11438068^2 .

It is a super-2 number, since 2×168210102101200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210262627227 + ... + 210262628026.

Almost surely, 2^{168210102101200} is an apocalyptic number.

168210102101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168210102101200 is an abundant number, since it is smaller than the sum of its proper divisors (235914668197894).

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

168210102101200 is a wasteful number, since it uses less digits than its factorization.

168210102101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420525255271 (or 420525255260 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The spelling of 168210102101200 in words is "one hundred sixty-eight trillion, two hundred ten billion, one hundred two million, one hundred one thousand, two hundred".