2112101212 has 12 divisors (see below), whose sum is σ = 3980498536. Its totient is φ = 974815920.

The previous prime is 2112101203. The next prime is 2112101221. The reversal of 2112101212 is 2121012112.

It is an interprime number because it is at equal distance from previous prime (2112101203) and next prime (2112101221).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2112101192 and 2112101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20308614 + ... + 20308717.

Almost surely, 2^2112101212 is an apocalyptic number.

It is an amenable number.

2112101212 is a deficient number, since it is larger than the sum of its proper divisors (1868397324).

2112101212 is a wasteful number, since it uses less digits than its factorization.

2112101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40617348 (or 40617346 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2112101212 is about 45957.6023308440. The cubic root of 2112101212 is about 1283.0342266813.

Adding to 2112101212 its reverse (2121012112), we get a palindrome (4233113324).

The spelling of 2112101212 in words is "two billion, one hundred twelve million, one hundred one thousand, two hundred twelve".