2120220012012 has 48 divisors (see below), whose sum is σ = 5513884871040. Its totient is φ = 630158268672.

The previous prime is 2120220012007. The next prime is 2120220012017. The reversal of 2120220012012 is 2102100220212.

It is an interprime number because it is at equal distance from previous prime (2120220012007) and next prime (2120220012017).

It is a junction number, because it is equal to n+sod(n) for n = 2120220011982 and 2120220012000.

It is not an unprimeable number, because it can be changed into a prime (2120220012017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273502318 + ... + 273510069.

It is an arithmetic number, because the mean of its divisors is an integer number (114872601480).

Almost surely, 2^{2120220012012} is an apocalyptic number.

It is an amenable number.

2120220012012 is an abundant number, since it is smaller than the sum of its proper divisors (3393664859028).

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

2120220012012 is a wasteful number, since it uses less digits than its factorization.

2120220012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547012430 (or 547012428 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2120220012012 its reverse (2102100220212), we get a palindrome (4222320232224).

The spelling of 2120220012012 in words is "two trillion, one hundred twenty billion, two hundred twenty million, twelve thousand, twelve".