120100020210 has 96 divisors (see below), whose sum is σ = 314303416128. Its totient is φ = 31817385600.

The previous prime is 120100020197. The next prime is 120100020221. The reversal of 120100020210 is 12020001021.

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 = 120100020192 and 120100020201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31184785 + ... + 31188635.

It is an arithmetic number, because the mean of its divisors is an integer number (3273993918).

Almost surely, 2^120100020210 is an apocalyptic number.

120100020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120100020210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157151708064).

120100020210 is an abundant number, since it is smaller than the sum of its proper divisors (194203395918).

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

120100020210 is a wasteful number, since it uses less digits than its factorization.

120100020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040 (or 6037 counting only the distinct ones).

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

Adding to 120100020210 its reverse (12020001021), we get a palindrome (132120021231).

The spelling of 120100020210 in words is "one hundred twenty billion, one hundred million, twenty thousand, two hundred ten".