2261605330312 has 32 divisors (see below), whose sum is σ = 4286002106880. Its totient is φ = 1118693600640.

The previous prime is 2261605330277. The next prime is 2261605330363. The reversal of 2261605330312 is 2130335061622.

It is a super-2 number, since 2×2261605330312² (a number of 26 digits) contains 22 as substring.

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, 568213 + ... + 2201380.

It is an arithmetic number, because the mean of its divisors is an integer number (133937565840).

Almost surely, 2^{2261605330312} is an apocalyptic number.

It is an amenable number.

2261605330312 is a deficient number, since it is larger than the sum of its proper divisors (2024396776568).

2261605330312 is a wasteful number, since it uses less digits than its factorization.

2261605330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770693 (or 2770689 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 2261605330312 in words is "two trillion, two hundred sixty-one billion, six hundred five million, three hundred thirty thousand, three hundred twelve".