2122121125612 has 48 divisors (see below), whose sum is σ = 3892842011520. Its totient is φ = 1011374445312.

The previous prime is 2122121125603. The next prime is 2122121125627. The reversal of 2122121125612 is 2165211212212.

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, 372564 + ... + 2093572.

It is an arithmetic number, because the mean of its divisors is an integer number (81100875240).

Almost surely, 2^{2122121125612} is an apocalyptic number.

It is an amenable number.

2122121125612 is a deficient number, since it is larger than the sum of its proper divisors (1770720885908).

2122121125612 is a wasteful number, since it uses less digits than its factorization.

2122121125612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721230 (or 1721228 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

Adding to 2122121125612 its reverse (2165211212212), we get a palindrome (4287332337824).

The spelling of 2122121125612 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-five thousand, six hundred twelve".