1012212101005 has 16 divisors (see below), whose sum is σ = 1395369229824. Its totient is φ = 690491980800.

The previous prime is 1012212100969. The next prime is 1012212101027. The reversal of 1012212101005 is 5001012122101.

It is not a de Polignac number, because 1012212101005 - 2¹⁵ = 1012212068237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012212101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74916421 + ... + 74929930.

It is an arithmetic number, because the mean of its divisors is an integer number (87210576864).

Almost surely, 2^{1012212101005} is an apocalyptic number.

It is an amenable number.

1012212101005 is a deficient number, since it is larger than the sum of its proper divisors (383157128819).

1012212101005 is a wasteful number, since it uses less digits than its factorization.

1012212101005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149846556.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 1012212101005 its reverse (5001012122101), we get a palindrome (6013224223106).

The spelling of 1012212101005 in words is "one trillion, twelve billion, two hundred twelve million, one hundred one thousand, five".