20210102011212 has 288 divisors, whose sum is σ = 51129381945600. Its totient is φ = 6207965001216.

The previous prime is 20210102011201. The next prime is 20210102011223. The reversal of 20210102011212 is 21211020101202.

It is an interprime number because it is at equal distance from previous prime (20210102011201) and next prime (20210102011223).

It is a junction number, because it is equal to n+sod(n) for n = 20210102011191 and 20210102011200.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11309513383 + ... + 11309515169.

It is an arithmetic number, because the mean of its divisors is an integer number (177532576200).

Almost surely, 2^{20210102011212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20210102011212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25564690972800).

20210102011212 is an abundant number, since it is smaller than the sum of its proper divisors (30919279934388).

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

20210102011212 is a wasteful number, since it uses less digits than its factorization.

20210102011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325 (or 2300 counting only the distinct ones).

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

Adding to 20210102011212 its reverse (21211020101202), we get a palindrome (41421122112414).

The spelling of 20210102011212 in words is "twenty trillion, two hundred ten billion, one hundred two million, eleven thousand, two hundred twelve".