1021202000010 has 96 divisors (see below), whose sum is σ = 2677047459840. Its totient is φ = 270073730304.

The previous prime is 1021202000009. The next prime is 1021202000041. The reversal of 1021202000010 is 100002021201.

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 = 1021201999956 and 1021202000001.

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 47 ways as a sum of consecutive naturals, for example, 32891454 + ... + 32922486.

It is an arithmetic number, because the mean of its divisors is an integer number (27885911040).

Almost surely, 2^{1021202000010} is an apocalyptic number.

1021202000010 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 1021202000010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338523729920).

1021202000010 is an abundant number, since it is smaller than the sum of its proper divisors (1655845459830).

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

1021202000010 is a wasteful number, since it uses less digits than its factorization.

1021202000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34052 (or 34049 counting only the distinct ones).

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

Adding to 1021202000010 its reverse (100002021201), we get a palindrome (1121204021211).

The spelling of 1021202000010 in words is "one trillion, twenty-one billion, two hundred two million, ten", and thus it is an aban number.