1012011002010 has 24 divisors (see below), whose sum is σ = 2631228605460. Its totient is φ = 269869600512.

The previous prime is 1012011001951. The next prime is 1012011002017. The reversal of 1012011002010 is 102001102101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 913433213169 + 98577788841 = 955737^2 + 313971^2 .

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 = 1012011001983 and 1012011002001.

It is not an unprimeable number, because it can be changed into a prime (1012011002017) 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 11 ways as a sum of consecutive naturals, for example, 5622283255 + ... + 5622283434.

Almost surely, 2^{1012011002010} is an apocalyptic number.

1012011002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012011002010 is an abundant number, since it is smaller than the sum of its proper divisors (1619217603450).

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

1012011002010 is a wasteful number, since it uses less digits than its factorization.

1012011002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11244566702 (or 11244566699 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1012011002010 its reverse (102001102101), we get a palindrome (1114012104111).

The spelling of 1012011002010 in words is "one trillion, twelve billion, eleven million, two thousand, ten".