2101012212 has 24 divisors (see below), whose sum is σ = 5279466976. Its totient is φ = 646465248.

The previous prime is 2101012183. The next prime is 2101012217. The reversal of 2101012212 is 2122101012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101012217) 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, 6733858 + ... + 6734169.

Almost surely, 2^2101012212 is an apocalyptic number.

It is an amenable number.

2101012212 is an abundant number, since it is smaller than the sum of its proper divisors (3178454764).

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

2101012212 is a wasteful number, since it uses less digits than its factorization.

2101012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13468047 (or 13468045 counting only the distinct ones).

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

The square root of 2101012212 is about 45836.7997574002. The cubic root of 2101012212 is about 1280.7848807640.

Adding to 2101012212 its reverse (2122101012), we get a palindrome (4223113224).

It can be divided in two parts, 2101012 and 212, that multiplied together give a palindrome (445414544).

The spelling of 2101012212 in words is "two billion, one hundred one million, twelve thousand, two hundred twelve".