20110212101210 has 96 divisors (see below), whose sum is σ = 45703175253120. Its totient is φ = 6236299681920.

The previous prime is 20110212101209. The next prime is 20110212101219. The reversal of 20110212101210 is 1210121201102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20110212101219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4357520 + ... + 7694699.

It is an arithmetic number, because the mean of its divisors is an integer number (476074742220).

Almost surely, 2^{20110212101210} is an apocalyptic number.

20110212101210 is an abundant number, since it is smaller than the sum of its proper divisors (25592963151910).

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

20110212101210 is a wasteful number, since it uses less digits than its factorization.

20110212101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12052452 (or 12052441 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20110212101210 its reverse (1210121201102), we get a palindrome (21320333302312).

The spelling of 20110212101210 in words is "twenty trillion, one hundred ten billion, two hundred twelve million, one hundred one thousand, two hundred ten".