1012021000210 has 64 divisors (see below), whose sum is σ = 1990114790400. Its totient is φ = 367476004800.

The previous prime is 1012021000187. The next prime is 1012021000213. The reversal of 1012021000210 is 120001202101.

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 (1012021000213) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 398589121 + ... + 398591659.

It is an arithmetic number, because the mean of its divisors is an integer number (31095543600).

Almost surely, 2^{1012021000210} is an apocalyptic number.

1012021000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012021000210 is a deficient number, since it is larger than the sum of its proper divisors (978093790190).

1012021000210 is a wasteful number, since it uses less digits than its factorization.

1012021000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6367.

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

Adding to 1012021000210 its reverse (120001202101), we get a palindrome (1132022202311).

The spelling of 1012021000210 in words is "one trillion, twelve billion, twenty-one million, two hundred ten", and thus it is an aban number.