20200100121012 has 24 divisors (see below), whose sum is σ = 53866933656256. Its totient is φ = 5771457177408.

The previous prime is 20200100121011. The next prime is 20200100121041. The reversal of 20200100121012 is 21012100100202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200100121011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120238691113 + ... + 120238691280.

Almost surely, 2^{20200100121012} is an apocalyptic number.

It is an amenable number.

20200100121012 is an abundant number, since it is smaller than the sum of its proper divisors (33666833535244).

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

20200100121012 is a wasteful number, since it uses less digits than its factorization.

20200100121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240477382407 (or 240477382405 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20200100121012 its reverse (21012100100202), we get a palindrome (41212200221214).

The spelling of 20200100121012 in words is "twenty trillion, two hundred billion, one hundred million, one hundred twenty-one thousand, twelve".