120101010210 has 48 divisors (see below), whose sum is σ = 312426818496. Its totient is φ = 32010095904.

The previous prime is 120101010191. The next prime is 120101010223. The reversal of 120101010210 is 12010101021.

It is a happy number.

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 = 120101010192 and 120101010201.

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 23 ways as a sum of consecutive naturals, for example, 178254 + ... + 521513.

It is an arithmetic number, because the mean of its divisors is an integer number (6508892052).

Almost surely, 2^120101010210 is an apocalyptic number.

120101010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120101010210 is an abundant number, since it is smaller than the sum of its proper divisors (192325808286).

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

120101010210 is a wasteful number, since it uses less digits than its factorization.

120101010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701687 (or 701684 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120101010210 its reverse (12010101021), we get a palindrome (132111111231).

The spelling of 120101010210 in words is "one hundred twenty billion, one hundred one million, ten thousand, two hundred ten".