20010211210212 has 24 divisors (see below), whose sum is σ = 46714672314912. Its totient is φ = 6666616190400.

The previous prime is 20010211210211. The next prime is 20010211210321. The reversal of 20010211210212 is 21201211201002.

It is a junction number, because it is equal to n+sod(n) for n = 20010211210191 and 20010211210200.

It is not an unprimeable number, because it can be changed into a prime (20010211210211) 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, 431752489 + ... + 431798832.

It is an arithmetic number, because the mean of its divisors is an integer number (1946444679788).

Almost surely, 2^{20010211210212} is an apocalyptic number.

It is an amenable number.

20010211210212 is an abundant number, since it is smaller than the sum of its proper divisors (26704461104700).

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

20010211210212 is a wasteful number, since it uses less digits than its factorization.

20010211210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863553259 (or 863553257 counting only the distinct ones).

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

Adding to 20010211210212 its reverse (21201211201002), we get a palindrome (41211422411214).

The spelling of 20010211210212 in words is "twenty trillion, ten billion, two hundred eleven million, two hundred ten thousand, two hundred twelve".