100120001210 has 16 divisors (see below), whose sum is σ = 180237090600. Its totient is φ = 40043314176.

The previous prime is 100120001183. The next prime is 100120001237. The reversal of 100120001210 is 12100021001.

100120001210 is digitally balanced in base 3, 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 (100120001183) and next prime (100120001237).

It can be written as a sum of positive squares in 4 ways, for example, as 39497190121 + 60622811089 = 198739^2 + 246217^2 .

It is a super-3 number, since 3×100120001210³ (a number of 34 digits) contains 333 as substring.

It is a Curzon 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, 495395 + ... + 667574.

Almost surely, 2^100120001210 is an apocalyptic number.

100120001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120001210 is a deficient number, since it is larger than the sum of its proper divisors (80117089390).

100120001210 is a wasteful number, since it uses less digits than its factorization.

100120001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171585.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100120001210 its reverse (12100021001), we get a palindrome (112220022211).

The spelling of 100120001210 in words is "one hundred billion, one hundred twenty million, one thousand, two hundred ten".