2261353245212 has 24 divisors (see below), whose sum is σ = 4064518995600. Its totient is φ = 1100065034880.

The previous prime is 2261353245167. The next prime is 2261353245233. The reversal of 2261353245212 is 2125423531622.

It is a super-2 number, since 2×2261353245212² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2823539 + ... + 3534837.

It is an arithmetic number, because the mean of its divisors is an integer number (169354958150).

Almost surely, 2^{2261353245212} is an apocalyptic number.

It is an amenable number.

2261353245212 is a deficient number, since it is larger than the sum of its proper divisors (1803165750388).

2261353245212 is a wasteful number, since it uses less digits than its factorization.

2261353245212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732821 (or 732819 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

Adding to 2261353245212 its reverse (2125423531622), we get a palindrome (4386776776834).

The spelling of 2261353245212 in words is "two trillion, two hundred sixty-one billion, three hundred fifty-three million, two hundred forty-five thousand, two hundred twelve".