20012101210212 has 48 divisors (see below), whose sum is σ = 50480976047040. Its totient is φ = 6148810611072.

The previous prime is 20012101210141. The next prime is 20012101210217. The reversal of 20012101210212 is 21201210121002.

It is a junction number, because it is equal to n+sod(n) for n = 20012101210191 and 20012101210200.

It is not an unprimeable number, because it can be changed into a prime (20012101210217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186104723 + ... + 1186121594.

It is an arithmetic number, because the mean of its divisors is an integer number (1051687000980).

Almost surely, 2^{20012101210212} is an apocalyptic number.

It is an amenable number.

20012101210212 is an abundant number, since it is smaller than the sum of its proper divisors (30468874836828).

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

20012101210212 is a wasteful number, since it uses less digits than its factorization.

20012101210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372226380 (or 2372226378 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20012101210212 its reverse (21201210121002), we get a palindrome (41213311331214).

The spelling of 20012101210212 in words is "twenty trillion, twelve billion, one hundred one million, two hundred ten thousand, two hundred twelve".