2112102012212 has 24 divisors (see below), whose sum is σ = 3920383530504. Its totient is φ = 992207757312.

The previous prime is 2112102012169. The next prime is 2112102012217. The reversal of 2112102012212 is 2122102012112.

It can be written as a sum of positive squares in 4 ways, for example, as 1393259172496 + 718842839716 = 1180364^2 + 847846^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112102012217) 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, 26876123 + ... + 26954594.

It is an arithmetic number, because the mean of its divisors is an integer number (163349313771).

Almost surely, 2^{2112102012212} is an apocalyptic number.

It is an amenable number.

2112102012212 is a deficient number, since it is larger than the sum of its proper divisors (1808281518292).

2112102012212 is a wasteful number, since it uses less digits than its factorization.

2112102012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53831315 (or 53831313 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112102012212 its reverse (2122102012112), we get a palindrome (4234204024324).

The spelling of 2112102012212 in words is "two trillion, one hundred twelve billion, one hundred two million, twelve thousand, two hundred twelve".