20112101201012 has 12 divisors (see below), whose sum is σ = 35212945185600. Its totient is φ = 10051259719416.

The previous prime is 20112101201011. The next prime is 20112101201029. The reversal of 20112101201012 is 21010210121102.

It is a super-2 number, since 2×20112101201012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112101201011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197710828 + ... + 1197727619.

It is an arithmetic number, because the mean of its divisors is an integer number (2934412098800).

Almost surely, 2^{20112101201012} is an apocalyptic number.

It is an amenable number.

20112101201012 is a deficient number, since it is larger than the sum of its proper divisors (15100843984588).

20112101201012 is a wasteful number, since it uses less digits than its factorization.

20112101201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395440550 (or 2395440548 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20112101201012 its reverse (21010210121102), we get a palindrome (41122311322114).

The spelling of 20112101201012 in words is "twenty trillion, one hundred twelve billion, one hundred one million, two hundred one thousand, twelve".