2220161035612 has 36 divisors (see below), whose sum is σ = 4245737228040. Its totient is φ = 1015288852032.

The previous prime is 2220161035597. The next prime is 2220161035619. The reversal of 2220161035612 is 2165301610222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220161035619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14991738 + ... + 15139105.

Almost surely, 2^{2220161035612} is an apocalyptic number.

It is an amenable number.

2220161035612 is a deficient number, since it is larger than the sum of its proper divisors (2025576192428).

2220161035612 is a wasteful number, since it uses less digits than its factorization.

2220161035612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30130982 (or 30130967 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 2220161035612 its reverse (2165301610222), we get a palindrome (4385462645834).

The spelling of 2220161035612 in words is "two trillion, two hundred twenty billion, one hundred sixty-one million, thirty-five thousand, six hundred twelve".