120210001000 has 32 divisors (see below), whose sum is σ = 281291404680. Its totient is φ = 48084000000.

The previous prime is 120210000913. The next prime is 120210001019. The reversal of 120210001000 is 100012021.

It can be written as a sum of positive squares in 4 ways, for example, as 6574939396 + 113635061604 = 81086^2 + 337098^2 .

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 7 ways as a sum of consecutive naturals, for example, 60104001 + ... + 60106000.

Almost surely, 2^120210001000 is an apocalyptic number.

120210001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120210001000 is an abundant number, since it is smaller than the sum of its proper divisors (161081403680).

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

120210001000 is a wasteful number, since it uses less digits than its factorization.

120210001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120210022 (or 120210008 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 120210001000 its reverse (100012021), we get a palindrome (120310013021).

The spelling of 120210001000 in words is "one hundred twenty billion, two hundred ten million, one thousand".