10120021210 has 32 divisors (see below), whose sum is σ = 19893589632. Its totient is φ = 3683991360.

The previous prime is 10120021187. The next prime is 10120021213. The reversal of 10120021210 is 1212002101.

10120021210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10120021213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538984 + ... + 557443.

It is an arithmetic number, because the mean of its divisors is an integer number (621674676).

Almost surely, 2^10120021210 is an apocalyptic number.

10120021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10120021210 is a deficient number, since it is larger than the sum of its proper divisors (9773568422).

10120021210 is a wasteful number, since it uses less digits than its factorization.

10120021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096518.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10120021210 its reverse (1212002101), we get a palindrome (11332023311).

The spelling of 10120021210 in words is "ten billion, one hundred twenty million, twenty-one thousand, two hundred ten".