120100000212 has 42 divisors (see below), whose sum is σ = 315118355258. Its totient is φ = 40033332432.

The previous prime is 120100000201. The next prime is 120100000231. The reversal of 120100000212 is 212000001021.

It can be written as a sum of positive squares in only one way, i.e., 119029140036 + 1070860176 = 345006^2 + 32724^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120100000194 and 120100000203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 20590363 + ... + 20596194.

Almost surely, 2^120100000212 is an apocalyptic number.

120100000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120100000212 is an abundant number, since it is smaller than the sum of its proper divisors (195018355046).

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

120100000212 is an equidigital number, since it uses as much as digits as its factorization.

120100000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41186579 (or 41186562 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120100000212 its reverse (212000001021), we get a palindrome (332100001233).

The spelling of 120100000212 in words is "one hundred twenty billion, one hundred million, two hundred twelve", and thus it is an aban number.