20011010012212 has 24 divisors (see below), whose sum is σ = 36221681426112. Its totient is φ = 9666696753600.

The previous prime is 20011010012197. The next prime is 20011010012219. The reversal of 20011010012212 is 21221001011002.

It is a junction number, because it is equal to n+sod(n) for n = 20011010012192 and 20011010012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011010012219) 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 7 ways as a sum of consecutive naturals, for example, 592305214 + ... + 592338997.

It is an arithmetic number, because the mean of its divisors is an integer number (1509236726088).

Almost surely, 2^{20011010012212} is an apocalyptic number.

It is an amenable number.

20011010012212 is a deficient number, since it is larger than the sum of its proper divisors (16210671413900).

20011010012212 is a wasteful number, since it uses less digits than its factorization.

20011010012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184644359 (or 1184644357 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20011010012212 its reverse (21221001011002), we get a palindrome (41232011023214).

The spelling of 20011010012212 in words is "twenty trillion, eleven billion, ten million, twelve thousand, two hundred twelve".