2210101212 has 48 divisors (see below), whose sum is σ = 5628534912. Its totient is φ = 669391680.

The previous prime is 2210101193. The next prime is 2210101241. The reversal of 2210101212 is 2121010122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426823 + ... + 431969.

It is an arithmetic number, because the mean of its divisors is an integer number (117261144).

Almost surely, 2^2210101212 is an apocalyptic number.

2210101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2210101212 is an abundant number, since it is smaller than the sum of its proper divisors (3418433700).

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

2210101212 is a wasteful number, since it uses less digits than its factorization.

2210101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418 (or 8416 counting only the distinct ones).

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

The square root of 2210101212 is about 47011.7135616221. The cubic root of 2210101212 is about 1302.5789459752.

Adding to 2210101212 its reverse (2121010122), we get a palindrome (4331111334).

It can be divided in two parts, 221010 and 1212, that added together give a palindrome (222222).

The spelling of 2210101212 in words is "two billion, two hundred ten million, one hundred one thousand, two hundred twelve".