1000211202012 has 96 divisors (see below), whose sum is σ = 2566712623104. Its totient is φ = 300628843200.

The previous prime is 1000211201987. The next prime is 1000211202043. The reversal of 1000211202012 is 2102021120001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110017587 + ... + 110026677.

It is an arithmetic number, because the mean of its divisors is an integer number (26736589824).

Almost surely, 2^{1000211202012} is an apocalyptic number.

1000211202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000211202012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1283356311552).

1000211202012 is an abundant number, since it is smaller than the sum of its proper divisors (1566501421092).

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

1000211202012 is a wasteful number, since it uses less digits than its factorization.

1000211202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15799 (or 15797 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000211202012 its reverse (2102021120001), we get a palindrome (3102232322013).

The spelling of 1000211202012 in words is "one trillion, two hundred eleven million, two hundred two thousand, twelve".