20111001002012 has 12 divisors (see below), whose sum is σ = 37046580793320. Its totient is φ = 9526263632496.

The previous prime is 20111001001943. The next prime is 20111001002033. The reversal of 20111001002012 is 21020010011102.

It is a super-2 number, since 2×20111001002012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20111001001984 and 20111001002002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132309217043 + ... + 132309217194.

It is an arithmetic number, because the mean of its divisors is an integer number (3087215066110).

Almost surely, 2^{20111001002012} is an apocalyptic number.

It is an amenable number.

20111001002012 is a deficient number, since it is larger than the sum of its proper divisors (16935579791308).

20111001002012 is a wasteful number, since it uses less digits than its factorization.

20111001002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264618434260 (or 264618434258 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20111001002012 its reverse (21020010011102), we get a palindrome (41131011013114).

The spelling of 20111001002012 in words is "twenty trillion, one hundred eleven billion, one million, two thousand, twelve".