1012210002105 has 16 divisors (see below), whose sum is σ = 1619570203200. Its totient is φ = 539833934528.

The previous prime is 1012210002091. The next prime is 1012210002107. The reversal of 1012210002105 is 5012000122101.

It is a cyclic number.

It is not a de Polignac number, because 1012210002105 - 2¹³ = 1012209993913 is a prime.

It is a super-2 number, since 2×1012210002105² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1012210002107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47671 + ... + 1423619.

It is an arithmetic number, because the mean of its divisors is an integer number (101223137700).

Almost surely, 2^{1012210002105} is an apocalyptic number.

1012210002105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012210002105 is a deficient number, since it is larger than the sum of its proper divisors (607360201095).

1012210002105 is a wasteful number, since it uses less digits than its factorization.

1012210002105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425000.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 1012210002105 its reverse (5012000122101), we get a palindrome (6024210124206).

The spelling of 1012210002105 in words is "one trillion, twelve billion, two hundred ten million, two thousand, one hundred five".