10021211022012 has 48 divisors (see below), whose sum is σ = 24400539082752. Its totient is φ = 3195028774080.

The previous prime is 10021211021971. The next prime is 10021211022013. The reversal of 10021211022012 is 21022011212001.

It is a junction number, because it is equal to n+sod(n) for n = 10021211021982 and 10021211022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021211022013) 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, 5610462 + ... + 7177722.

It is an arithmetic number, because the mean of its divisors is an integer number (508344564224).

Almost surely, 2^{10021211022012} is an apocalyptic number.

10021211022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021211022012 is an abundant number, since it is smaller than the sum of its proper divisors (14379328060740).

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

10021211022012 is a wasteful number, since it uses less digits than its factorization.

10021211022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590458 (or 1590456 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10021211022012 its reverse (21022011212001), we get a palindrome (31043222234013).

The spelling of 10021211022012 in words is "ten trillion, twenty-one billion, two hundred eleven million, twenty-two thousand, twelve".