20112010012 has 12 divisors (see below), whose sum is σ = 35544493656. Its totient is φ = 9956440400.

The previous prime is 20112010007. The next prime is 20112010019. The reversal of 20112010012 is 21001021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112010019) 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, 24890698 + ... + 24891505.

It is an arithmetic number, because the mean of its divisors is an integer number (2962041138).

Almost surely, 2^20112010012 is an apocalyptic number.

It is an amenable number.

20112010012 is a deficient number, since it is larger than the sum of its proper divisors (15432483644).

20112010012 is a wasteful number, since it uses less digits than its factorization.

20112010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49782308 (or 49782306 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20112010012 its reverse (21001021102), we get a palindrome (41113031114).

The spelling of 20112010012 in words is "twenty billion, one hundred twelve million, ten thousand, twelve".